Wound Care Certification (WCC) Exam — Questions and Answers

Question 1: Zinc deficiency specifically impairs wound healing by affecting which process?

Collagen cross-linking and DNA polymerase activity needed for cell division (Correct answer)
Lymphocyte-mediated immune surveillance
Platelet activation at injury sites
Oxygen transport to wound tissue

Correct answer: Collagen cross-linking and DNA polymerase activity needed for cell division

Zinc is a cofactor for DNA polymerase and collagen-stabilizing enzymes; deficiency impairs cell proliferation and collagen synthesis during wound repair.

Question 2: What does a positive probe-to-bone test indicate in a diabetic foot wound assessment?

Wound depth extends to subcutaneous tissue
Presence of biofilm in the wound
High likelihood of osteomyelitis (Correct answer)
Neuropathy affecting wound healing

Correct answer: High likelihood of osteomyelitis

A positive probe-to-bone test (sterile probe contacts bone) has high specificity for osteomyelitis in diabetic foot wounds.

Question 3: In a patient with liver cirrhosis, which specific mechanism most impairs wound healing?

Elevated ammonia directly inactivates matrix metalloproteinases
Portal hypertension increases wound exudate volume
Impaired hepatic synthesis of clotting factors and albumin reduces healing capacity (Correct answer)
Jaundice causes bilirubin to inhibit keratinocyte migration

Correct answer: Impaired hepatic synthesis of clotting factors and albumin reduces healing capacity

The liver synthesizes clotting factors for hemostasis and albumin for protein stores; cirrhosis impairs both, undermining the inflammatory and proliferative phases.

Question 4: Which nutritional marker is MOST sensitive for identifying malnutrition that may impair wound healing?

Serum transferrin
Total lymphocyte count
Serum albumin
Serum prealbumin (transthyretin) (Correct answer)

Correct answer: Serum prealbumin (transthyretin)

Prealbumin has a short half-life of 2–3 days, making it a more sensitive and responsive marker of recent nutritional status compared to albumin.

Question 5: Most likely to require specialized surgical intervention are lacerations involving:

Fingertip/nailbed with suspected phalangeal fracture
The vermilion border
Large forehead flap
Medial portion of eyelid margin (Correct answer)

Correct answer: Medial portion of eyelid margin

Lacerations involving the medial portion of the eyelid margin are highly complex due to the presence of the delicate lacrimal drainage system (tear ducts). Damage to these structures can lead to chronic tearing (epiphora) and infection if not meticulously repaired. Such repairs often require specialized ophthalmic surgical techniques to ensure proper alignment and function of the tear ducts, making it a critical area for specialized intervention.

Question 6: Which dressing strategy is most appropriate for a venous leg ulcer with moderate exudate?

Dry gauze dressing changed daily with compression over it
Hydrocolloid dressing applied without compression
Absorbent foam dressing under compression bandaging (Correct answer)
Calcium alginate dressing applied without compression

Correct answer: Absorbent foam dressing under compression bandaging

Foam dressings effectively manage moderate exudate, are compatible with compression bandaging, and together the combination addresses both wound moisture balance and venous hypertension.

Question 7: Which dressing type provides both autolytic debridement and maintains a moist wound environment for a moderately exudating wound?

Transparent film
Hydrocolloid
Calcium alginate (Correct answer)
Dry gauze

Correct answer: Calcium alginate

Calcium alginate absorbs moderate-to-heavy exudate while forming a gel that supports autolytic debridement and maintains moisture.

Question 8: A 55-year-old man comes to the emergency room for stitches. A piece of glass cut his right calf when he was on vacation in Jamaica two days ago. The cut was 4 cm long. At that time, the cut was cleaned, an x-ray was taken to check for a foreign object, and it was fixed. At the moment, the edges of the wound are healing well and there is no redness or drainage from the wound. What is the best management step to take next?

Have the patient return in 8 days for suture removal. (Correct answer)
Have the patient return in 14 days for suture removal.
Have the patient return in 3 days for suture removal.
Remove the sutures then replace them to prevent infection.

Correct answer: Have the patient return in 8 days for suture removal.

The timing of suture removal depends on the wound location and the tension on the skin. For wounds on the extremities, such as the calf, sutures are typically left in place longer than on the face to allow for adequate tensile strength development and reduce the risk of dehiscence. An 8-day interval is an appropriate timeframe for suture removal on the calf, balancing healing with minimizing track marks.

Question 9: Hyperbaric oxygen therapy (HBOT) is MOST indicated for which wound type?

Stage 2 pressure injury in a healthy patient
Diabetic foot ulcer with compromised tissue perfusion unresponsive to standard care (Correct answer)
Venous leg ulcer with adequate ABI
Superficial partial-thickness burn

Correct answer: Diabetic foot ulcer with compromised tissue perfusion unresponsive to standard care

HBOT is evidence-supported for Wagner Grade 3+ diabetic foot ulcers with hypoxic tissue that fails to respond to standard wound care.

Question 10: Which of the following descriptions best characterizes a healthy, well-prepared granulating wound bed ready for epithelialization?

Bright, beefy red with a moist, granular or 'cobblestone' texture. (Correct answer)
Dusky or gray with a smooth, shiny surface.
Dark red, dry, and extremely painful to touch.
Pale pink with high-volume, thin, serous drainage.

Correct answer: Bright, beefy red with a moist, granular or 'cobblestone' texture.

Healthy granulation tissue is characterized by its bright, beefy red appearance, which indicates good vascularity. It should have a moist, granular, or 'cobblestone' texture, representing the budding of new capillaries and connective tissue. This forms the necessary foundation for epithelial cells to migrate and close the wound.

Question 11: Which intervention is MOST effective for disrupting wound biofilm?

Topical antiseptics alone
Mechanical debridement combined with antimicrobial therapy (Correct answer)
Systemic antibiotics alone
Increased dressing frequency alone

Correct answer: Mechanical debridement combined with antimicrobial therapy

Mechanical debridement physically disrupts the biofilm structure, and combined with antimicrobial therapy provides the most effective biofilm management.

Question 12: What is round, fluid-filled, and bigger than 1 cm?

Tertiary
II
Vesicle
Bulla (Correct answer)

Correct answer: Bulla

A bulla is defined as a fluid-filled blister or lesion that is greater than 1 centimeter in diameter. It is essentially a larger version of a vesicle, which is also fluid-filled but typically measures less than 1 cm. Therefore, for a round, fluid-filled lesion larger than 1 cm, 'bulla' is the correct medical term.

Question 13: According to NPUAP/EPUAP guidelines, what is the MAXIMUM recommended head-of-bed elevation for patients at risk for pressure injuries, unless medically contraindicated?

60 degrees
45 degrees
15 degrees
30 degrees (Correct answer)

Correct answer: 30 degrees

The head of bed should be maintained at 30 degrees or less to minimize shear forces on the sacrum and coccyx.

Question 14: Which CEAP classification class describes a patient with active venous ulceration?

C4b
C6 (Correct answer)
C3
C5

Correct answer: C6

CEAP class C6 designates active venous ulcer, while C5 indicates a healed venous ulcer.

Question 15: A patient with sickle cell disease has a chronic leg ulcer. The primary mechanism contributing to impaired healing in this condition is:

Elevated hemoglobin causes hyperviscosity, blocking capillary flow
Sickle cell anemia reduces platelet count below hemostatic levels
Abnormal hemoglobin releases excess iron that damages fibroblasts
Sickling of red cells causes vaso-occlusion, leading to tissue ischemia (Correct answer)

Correct answer: Sickling of red cells causes vaso-occlusion, leading to tissue ischemia

Sickled erythrocytes occlude microvessels, creating repeated ischemia-reperfusion injury and chronic tissue hypoxia that prevent wound healing.

Question 16: A patient has a pressure injury where the wound bed is not visible due to slough covering the entire base. How should this wound be staged?

Stage 4
Stage 3
Unstageable (Correct answer)
Deep Tissue Pressure Injury

Correct answer: Unstageable

When slough or eschar obscures the wound bed, the wound is classified as Unstageable because depth cannot be determined.

Question 17: What is the primary mechanism of action of cadexomer iodine in wound care?

Directly kills bacteria through heat
Creates an anaerobic environment
Blocks bacterial protein synthesis
Absorbs exudate and releases iodine slowly (Correct answer)

Correct answer: Absorbs exudate and releases iodine slowly

Cadexomer iodine absorbs exudate through its microsphere structure while releasing iodine slowly for sustained antimicrobial activity.

Question 18: Which characteristic distinguishes a Stage 3 pressure injury from a Stage 4 pressure injury?

Depth extending through dermis
Presence of tunneling
Presence of slough in the wound bed
Exposure of bone, tendon, or muscle (Correct answer)

Correct answer: Exposure of bone, tendon, or muscle

Stage 4 pressure injuries involve full-thickness tissue loss with exposed bone, tendon, or muscle, distinguishing them from Stage 3.

Question 19: A pressure ulcer that shows up as a deep crater, with or without damage to the surrounding tissue, is called a ____.

stage I
stage IV
stage III (Correct answer)
stage II

Correct answer: stage III

A Stage III pressure ulcer is characterized by full-thickness skin loss, where subcutaneous fat may be visible, but bone, tendon, or muscle are not exposed. This stage often presents as a deep crater, indicating significant tissue damage extending into the subcutaneous layer.

Question 20: A patient with peripheral arterial disease (ABI 0.45) has a suspected pressure injury on the lateral ankle. What assessment finding would MOST influence the wound care approach?

Wound size greater than 4 cm²
Severely compromised arterial blood flow limiting healing capacity (Correct answer)
Presence of moderate yellow slough in the wound bed
Patient BMI below 20 kg/m²

Correct answer: Severely compromised arterial blood flow limiting healing capacity

An ABI of 0.45 indicates severe arterial insufficiency, which critically limits tissue perfusion and requires vascular evaluation before standard wound care.

Question 21: What is the primary mechanism of action for autolytic debridement?

The physical removal of dead tissue using irrigation or scrubbing.
The application of topical chemical enzymes to dissolve necrotic tissue.
The surgical excision of devitalized tissue with a scalpel.
The use of the body's own enzymes and phagocytic cells to liquefy non-viable tissue. (Correct answer)

Correct answer: The use of the body's own enzymes and phagocytic cells to liquefy non-viable tissue.

Autolytic debridement harnesses the body's endogenous enzymes and phagocytic cells (like macrophages) to break down and digest necrotic tissue. This process is facilitated by creating a moist wound environment with moisture-retentive dressings, which allows these natural processes to occur effectively.

Question 22: Antimicrobial dressings containing polyhexamethylene biguanide (PHMB) are BEST described as:

A type of antibiotic that induces bacterial resistance rapidly
A growth factor that stimulates re-epithelialization
An enzyme that selectively digests biofilm matrix
A broad-spectrum antiseptic that disrupts bacterial cell membranes (Correct answer)

Correct answer: A broad-spectrum antiseptic that disrupts bacterial cell membranes

PHMB is a broad-spectrum antiseptic that disrupts bacterial cell membranes and is associated with a low risk of resistance development.

Question 23: When managing a wound confirmed to be pyoderma gangrenosum that is in an active, inflammatory phase, which of the following interventions is generally contraindicated?

Topical immunosuppressants
Application of a non-adherent dressing
Systemic corticosteroid therapy
Aggressive sharp debridement (Correct answer)

Correct answer: Aggressive sharp debridement

Aggressive sharp or surgical debridement is contraindicated in active pyoderma gangrenosum due to the pathergy phenomenon. Pathergy is a condition where trauma to the skin, including debridement, can trigger a severe inflammatory response, causing the ulcer to rapidly worsen or new ulcers to form. Management focuses on potent anti-inflammatory and immunosuppressive therapy.

Question 24: When measuring a wound, what is the correct anatomical orientation for wound length?

Widest dimension regardless of direction
Side to side (medial to lateral)
Head to toe (superior to inferior) (Correct answer)
Diagonal from corner to corner

Correct answer: Head to toe (superior to inferior)

Wound length is measured head to toe (superior to inferior) using the clock face analogy with 12 o'clock toward the head.

Question 25: When using the moist wound healing principle, which dressing is MOST appropriate for a dry, necrotic wound to facilitate autolytic debridement?

Foam dressing
Antimicrobial gauze
Hydrogel dressing (Correct answer)
Alginate dressing

Correct answer: Hydrogel dressing

Hydrogel dressings donate moisture to dry necrotic tissue, promoting autolytic debridement.

Question 26: Which factor is MOST important to assess when determining if a wound is healing appropriately over time?

Serial wound measurements showing reduction in size (Correct answer)
Type of dressing applied at previous visit
Patient pain level during dressing changes
Wound odor at each visit

Correct answer: Serial wound measurements showing reduction in size

Serial measurements documenting reduction in wound dimensions over time are the most objective indicator of wound healing progress.

Question 27: The kind of wound most likely to contract at the slowest rate is

square
linear
rectangular
circular (Correct answer)

Correct answer: circular

Circular wounds tend to contract at the slowest rate compared to other shapes like linear, rectangular, or square wounds. This is because the forces of contraction are distributed evenly around the circumference, making it less efficient in pulling the wound edges together. Linear wounds, for example, contract much faster along their length.

Question 28: A clinician is caring for a patient who is chair-bound for most of the day. According to the 2019 International Clinical Practice Guideline, which intervention is a priority for this patient?

Using a donut-shaped cushion for pressure relief.
Ensuring the patient's heels are elevated off the footrests.
Repositioning the patient in the chair every 4 hours.
Using a pressure-redistributing chair cushion and regular repositioning. (Correct answer)

Correct answer: Using a pressure-redistributing chair cushion and regular repositioning.

For individuals who are chair-bound, it is critical to use a pressure-redistributing cushion to manage pressure on the ischial tuberosities. Additionally, these individuals should be repositioned regularly. The guideline does not recommend donut-type devices as they can cause circumferential pressure and impede circulation.

Question 29: A wound is 4 cm long, 3 cm wide, and 2 cm deep. What is the wound volume using the length × width × depth calculation?

9 cm³
24 cm³ (Correct answer)
12 cm³
14 cm³

Correct answer: 24 cm³

Wound volume = 4 × 3 × 2 = 24 cm³, though this formula overestimates volume compared to cavity fill methods.

Question 30: A wound clinician notes a wound with a violaceous, undermined border that rapidly expands despite standard wound care. The patient has a history of inflammatory bowel disease. The most appropriate next step is to:

Debride aggressively to remove necrotic tissue
Apply compression bandaging
Start immunosuppressive therapy and minimize debridement (Correct answer)
Order venous duplex ultrasound

Correct answer: Start immunosuppressive therapy and minimize debridement

Pyoderma gangrenosum exhibits pathergy, meaning aggressive debridement worsens the wound; immunosuppression with corticosteroids is the cornerstone of treatment.

Question 31: Which bacterial count per gram of tissue indicates critical colonization or infection?

10^5 (Correct answer)
10^3
10^2
10^7

Correct answer: 10^5

A bacterial load of ≥10^5 organisms per gram of tissue is considered the diagnostic threshold for wound infection.

Question 32: What is the primary goal of negative pressure wound therapy (NPWT)?

Promote angiogenesis and reduce edema (Correct answer)
Eliminate biofilm
Deliver antibiotics locally
Maintain moist wound environment

Correct answer: Promote angiogenesis and reduce edema

NPWT applies subatmospheric pressure to promote granulation tissue formation, angiogenesis, and reduction of wound edema.

Question 33: Negative pressure wound therapy (NPWT) promotes wound healing primarily by:

Delivering antibiotics directly to wound tissue
Maintaining an alkaline wound pH
Promoting eschar formation over the wound bed
Applying continuous or intermittent sub-atmospheric pressure to remove exudate and stimulate granulation (Correct answer)

Correct answer: Applying continuous or intermittent sub-atmospheric pressure to remove exudate and stimulate granulation

NPWT (vacuum-assisted closure) applies sub-atmospheric pressure to remove excess fluid, decrease edema, and stimulate perfusion and granulation tissue formation.

Question 34: Which diagnostic study is considered the gold standard for evaluating peripheral arterial disease anatomy prior to intervention?

Toe-brachial index measurement
Duplex ultrasonography of lower extremities
Ankle-brachial index measurement
Arteriography (catheter-based angiography) (Correct answer)

Correct answer: Arteriography (catheter-based angiography)

Catheter-based arteriography remains the gold standard for anatomical mapping of peripheral arterial disease due to its superior spatial resolution and simultaneous intervention capability.

Question 35: A transparent film dressing is MOST appropriate for which wound type?

Stage 3 pressure injury with heavy exudate
Cavity wound requiring packing
Infected surgical wound
Superficial abrasion with minimal exudate (Correct answer)

Correct answer: Superficial abrasion with minimal exudate

Transparent film dressings are semi-permeable and best suited for superficial wounds with little to no exudate.

Question 36: When a Stage 2 pressure injury heals, how should it be restaged?

Documented as 'healed Stage 2' — pressure injuries are never restaged downward (Correct answer)
Reclassified as a skin tear once epithelialized
Restaged downward to Stage 1 as it improves
Upgraded to Stage 3 if slough appeared during healing

Correct answer: Documented as 'healed Stage 2' — pressure injuries are never restaged downward

Pressure injuries are never restaged downward because the body does not regenerate the same tissue layers that were lost; a healed wound is documented as 'healed Stage 2.'

Question 37: Which fistula treatment strategy is likely to be the most effective in preventing wound contamination from drainage for a significant open abdominal lesion that has a fistula on the posterior aspect?

Simple pouching
Saddle bagging
Troughing
Bridging (Correct answer)

Correct answer: Bridging

For a fistula located on the posterior aspect of a significant open abdominal wound, 'bridging' is the most effective strategy to prevent wound contamination. This technique involves creating a pathway or 'bridge' over the wound to direct the fistula drainage away from the open wound bed, often into a collection system. Bridging protects the healing wound from corrosive effluent and infection, which is crucial for promoting wound healing and preventing complications.

Question 38: Peripheral arterial disease (PAD) impairs wound healing primarily by:

Causing lymphatic obstruction and protein accumulation
Increasing venous hypertension and edema at the wound site
Elevating inflammatory cytokines that degrade collagen
Reducing oxygen and nutrient delivery due to arterial insufficiency (Correct answer)

Correct answer: Reducing oxygen and nutrient delivery due to arterial insufficiency

PAD reduces arterial blood flow, limiting the oxygen and nutrients required for cellular proliferation and collagen synthesis.

Question 39: What is the primary reason moisture-associated skin damage (MASD) must be distinguished from pressure injuries during wound assessment?

MASD only occurs in the sacral region unlike pressure injuries
Pressure injuries always have full-thickness tissue loss
MASD is always more painful than pressure injuries
Treatment strategies differ significantly between the two conditions (Correct answer)

Correct answer: Treatment strategies differ significantly between the two conditions

MASD and pressure injuries require different treatments; misclassification leads to ineffective care and potential harm.

Question 40: A patient requires wound bed preparation before split-thickness skin grafting. Which wound bed characteristic is MOST predictive of graft success?

Presence of at least 30% granulation tissue
Clean, well-vascularized granulation tissue covering >95% of the wound bed (Correct answer)
Wound depth less than 2 cm
Wound culture negative for all organisms

Correct answer: Clean, well-vascularized granulation tissue covering >95% of the wound bed

Successful graft take requires a well-vascularized, clean granulation tissue bed covering nearly the entire wound surface.

Question 41: A 25-year-old woman comes to the ED with a small, 2-cm cut in the middle of her forehead. You clean the wound and put a bandage on it. The patient wants to be an actress and is worried about how her looks will change over time. She wants detailed instructions on how to care for a wound. Which of the following is a good way to tell someone how to care for a wound?

Sutures should be removed in 7 to 10 days.
Avoid direct sun exposure while the wound is healing. (Correct answer)
Appearance of the scar at suture removal will be the final cosmetic outcome.
The wound should not be washed until sutures are removed.

Correct answer: Avoid direct sun exposure while the wound is healing.

Protecting a healing wound and newly formed scar from direct sun exposure is crucial for achieving the best cosmetic outcome. Ultraviolet (UV) radiation can cause hyperpigmentation (darkening) of the scar, making it more noticeable and potentially permanent. Patients should be advised to avoid direct sun exposure or use sunscreen and protective clothing for at least 6-12 months post-injury to minimize scar discoloration.

Question 42: What is the recommended frequency of repositioning for a high-risk patient on a standard hospital foam mattress who cannot reposition independently?

Every 4 hours
Every 2 hours (Correct answer)
Every 6 hours
Only when the patient requests repositioning

Correct answer: Every 2 hours

High-risk patients on standard foam mattresses should be repositioned at least every 2 hours to prevent sustained tissue ischemia.

Question 43: During wound assessment, periwound maceration is BEST addressed by:

Switching to a wet-to-dry gauze dressing
Using silver-containing dressings
Increasing dressing change frequency
Applying a moisture barrier/skin protectant to periwound skin (Correct answer)

Correct answer: Applying a moisture barrier/skin protectant to periwound skin

A moisture barrier such as zinc oxide paste or a skin protectant shields periwound skin from excessive moisture and enzymatic damage.

Question 44: Excess matrix metalloproteinases (MMPs) in a chronic wound primarily impair healing by:

Promoting excessive collagen deposition
Degrading growth factors and extracellular matrix components needed for repair (Correct answer)
Stimulating epidermal migration
Increasing angiogenesis beyond normal levels

Correct answer: Degrading growth factors and extracellular matrix components needed for repair

Elevated MMPs in chronic wounds destroy growth factors, fibronectin, and extracellular matrix proteins essential for tissue repair.

Question 45: A patient presents with multiple, small, deep, "punched-out" ulcers on the lower legs, which are surrounded by palpable purpura. This presentation is a hallmark clinical sign of which atypical wound etiology?

Lymphedema-associated ulceration
Sickle cell ulcer
Vasculitis (Correct answer)
Calciphylaxis

Correct answer: Vasculitis

Cutaneous small-vessel vasculitis is an inflammation of the small blood vessels in the skin. A classic manifestation is palpable purpura (raised, non-blanching purple spots), which can break down and lead to the formation of painful, deep, "punched-out" ulcers.

Question 46: Regular callus debridement around a diabetic neuropathic ulcer is performed primarily to:

Reduce infection risk by eliminating bacterial reservoirs
Redistribute pressure, stimulate wound edge healing, and remove healing barriers (Correct answer)
Remove all periwound tissue for better wound visualization
Eliminate the patient's need for offloading footwear

Correct answer: Redistribute pressure, stimulate wound edge healing, and remove healing barriers

Callus debridement redistributes concentrated plantar pressure, converts the chronic wound edge to an acute state to enable epithelial migration, and removes physical barriers to healing.

Question 47: A wound care nurse is choosing between conservative sharp debridement and surgical debridement. Which criterion MOST strongly indicates the need for surgical debridement?

Patient preference for faster healing
Wound located on the lower extremity
Small amount of surface slough in a shallow wound
Large, deep wound with extensive necrosis and signs of spreading infection (Correct answer)

Correct answer: Large, deep wound with extensive necrosis and signs of spreading infection

Surgical debridement is indicated when there is extensive necrosis with spreading infection that conservative methods cannot adequately or rapidly address.

Question 48: Epibole (rolled wound edges) indicates which healing problem?

Deep tissue destruction progressing outward
Excessive granulation tissue overgrowth
Epithelial cells rolling inward preventing resurfacing (Correct answer)
Wound infection preventing closure

Correct answer: Epithelial cells rolling inward preventing resurfacing

Epibole occurs when epithelial cells roll under the wound edge rather than migrating across the wound bed, halting resurfacing.

Question 49: After surgery or injury, what is a collection of extravasated blood stuck in tissues or organs?

Evisceration
Cellulitis
Extravasation
Hematoma (Correct answer)

Correct answer: Hematoma

A hematoma is a localized collection of blood outside of blood vessels, typically clotted, within tissues or organs, often resulting from trauma or surgery. It forms when blood escapes from damaged vessels and accumulates, appearing as a bruise or swelling, and is distinct from conditions like cellulitis or evisceration.

Question 50: Which of the following is the appropriate intervention when a wound has a damaged matrix and cell debris that prevents healing?

Moisture-balancing dressings
Negative pressure wound therapy
Debridement (Correct answer)
Antimicrobials

Correct answer: Debridement

Debridement is the essential intervention for wounds with damaged matrix and cell debris, as non-viable tissue and foreign material impede the healing process. Removing this necrotic tissue and debris promotes the formation of healthy granulation tissue, reduces the bacterial load, and allows the wound to progress through the normal stages of healing. Without debridement, chronic inflammation and infection can persist, preventing wound closure.

Question 51: A patient has a wound with 25% black eschar, 50% yellow slough, and 25% red granulation. How would the wound bed be documented using the RYB (Red-Yellow-Black) system?

Yellow wound — treat with autolytic debridement only
Mixed wound: 25% black, 50% yellow, 25% red — treat as black wound priority (Correct answer)
Red wound requiring moisture retention
Primarily healing wound with minor slough

Correct answer: Mixed wound: 25% black, 50% yellow, 25% red — treat as black wound priority

In the RYB system, when multiple tissue types are present, treatment prioritizes the most problematic color (black > yellow > red).

Question 52: When selecting a topical antimicrobial agent, a clinician considers the potential for cytotoxicity. Which of the following agents has historically been associated with causing damage to healthy fibroblasts and keratinocytes, potentially impairing wound healing?

Cadexomer iodine
Medical-grade honey
Polyhexamethylene biguanide (PHMB)
Povidone-iodine (Correct answer)

Correct answer: Povidone-iodine

While it is a broad-spectrum antiseptic, traditional povidone-iodine has been shown in multiple studies to be cytotoxic to essential wound healing cells like fibroblasts and keratinocytes. This potential to harm healthy tissue is why its routine use in open wounds is often limited in favor of less cytotoxic alternatives.

Question 53: During a skin assessment, a nurse notes an area on the patient's heel that is intact, with a localized area of persistent, non-blanchable deep red discoloration. The patient reports pain in the area, which feels boggy upon palpation compared to the surrounding tissue. Which of the following is the most likely classification for this finding?

Venous Stasis Ulcer
Deep Tissue Pressure Injury (Correct answer)
Stage 1 Pressure Injury
Stage 2 Pressure Injury

Correct answer: Deep Tissue Pressure Injury

This presentation is characteristic of a Deep Tissue Pressure Injury (DTPI). A DTPI involves a localized area of persistent non-blanchable deep red, maroon, or purple discoloration of intact or non-intact skin. Pain and temperature changes often precede the skin color changes, and the tissue may feel boggy or firm.

Question 54: A diabetic patient presents with a Wagner Grade 2 foot ulcer. This classification indicates:

Gangrene of the forefoot
Deep ulcer with abscess or osteomyelitis
Superficial ulcer without involvement of subcutaneous tissue
Deep ulcer extending to tendon, capsule, or bone without osteomyelitis (Correct answer)

Correct answer: Deep ulcer extending to tendon, capsule, or bone without osteomyelitis

Wagner Grade 2 describes a deep ulcer penetrating to tendon, joint capsule, or bone but without infection or osteomyelitis.

Question 55: Which laboratory finding is most consistently associated with calciphylaxis?

Low serum albumin
Elevated D-dimer
Elevated ESR
Elevated calcium-phosphate product (>55 mg²/dL²) (Correct answer)

Correct answer: Elevated calcium-phosphate product (>55 mg²/dL²)

An elevated calcium-phosphate product above 55 mg²/dL² promotes precipitation of calcium salts in vessel walls, a hallmark of calciphylaxis.

Question 56: Silver-containing dressings are MOST indicated for which wound condition?

Wound with heavy fibrinous slough only
Clean surgical wound closed by primary intention
Wound in the remodeling phase
Critically colonized or locally infected wound (Correct answer)

Correct answer: Critically colonized or locally infected wound

Silver-containing dressings release silver ions that provide broad-spectrum antimicrobial activity, making them appropriate for critically colonized or locally infected wounds.

Question 57: Which of the following best distinguishes vasculitic ulcers from venous leg ulcers on clinical examination?

Vasculitic ulcers are typically multiple, punched-out, and extremely painful (Correct answer)
Vasculitic ulcers are painless and located on the gaiter area
Vasculitic ulcers respond promptly to compression therapy
Vasculitic ulcers have irregular sloping edges and surrounding hemosiderin staining

Correct answer: Vasculitic ulcers are typically multiple, punched-out, and extremely painful

Vasculitic ulcers are typically multiple, have punched-out edges, and are severely painful, reflecting ischemia from inflamed and occluded small vessels.

Question 58: Which wound bed tissue type has the poorest prognosis for healing and requires the most aggressive intervention?

Pink epithelial tissue at wound edges
Black eschar (100% of wound bed) (Correct answer)
Yellow fibrin slough (50% of wound bed)
Red granulation tissue (100% of wound bed)

Correct answer: Black eschar (100% of wound bed)

Black eschar (necrotic tissue) blocks healing, harbors bacteria, and must be debrided before healing can progress.

Question 59: When a hand is placed under the overlay below the pressure ulcer or below the region of the body at risk for a pressure ulcer, this term is used to indicate that the support device is insufficient.

positioning management
shear reduction
bottoming out (Correct answer)
pressure reduction

Correct answer: bottoming out

'Bottoming out' is a critical term in wound care that describes when a patient's body sinks through a pressure redistribution surface, allowing a hand to be placed between the patient and the underlying bed frame. This indicates that the support device is insufficient and not effectively redistributing pressure, thus increasing the risk of pressure ulcer development or worsening existing ones.

Question 60: What is the primary purpose of performing periwound skin assessment during wound evaluation?

To calculate total wound surface area
To determine wound staging
To select appropriate wound dressing
To identify signs of wound edge complications and skin breakdown (Correct answer)

Correct answer: To identify signs of wound edge complications and skin breakdown

Periwound assessment identifies complications such as maceration, induration, erythema, or satellite lesions that affect treatment planning.

Question 61: A clinician is treating a clean, granulating wound on a patient receiving radiation therapy. Which topical agent should be used with CAUTION?

Silver-containing dressing (Correct answer)
Hydrogel
Petroleum-based ointment
Zinc oxide paste

Correct answer: Silver-containing dressing

Silver-containing dressings can interact with radiation fields and should be used with caution or removed before radiation treatments.

Question 62: Which topical antimicrobial is contraindicated in patients with sulfa drug allergies?

Cadexomer iodine
Silver sulfadiazine (Correct answer)
Mupirocin
Bacitracin

Correct answer: Silver sulfadiazine

Silver sulfadiazine contains a sulfonamide component and is contraindicated in patients with sulfa allergies.

Question 63: Which laboratory value is considered the most reliable indicator of nutritional status relevant to wound healing?

Prealbumin (transthyretin) (Correct answer)
Total lymphocyte count
Albumin
C-reactive protein

Correct answer: Prealbumin (transthyretin)

Prealbumin has a short half-life (~2–3 days) making it a more sensitive marker of acute nutritional changes than albumin (half-life ~20 days).

Question 64: According to NPUAP guidelines, a suspected Deep Tissue Pressure Injury (DTPI) most commonly presents as:

Open wound with visible red granulation tissue
Stage 1 erythema that blanches with pressure
Intact or non-intact skin with persistent non-blanchable deep red, maroon, or purple discoloration (Correct answer)
Partial-thickness skin loss with a pink or red wound bed

Correct answer: Intact or non-intact skin with persistent non-blanchable deep red, maroon, or purple discoloration

DTPI presents as intact or non-intact skin with persistent non-blanchable deep red, maroon, or purple discoloration caused by pressure damage to underlying soft tissue.

Question 65: Which assessment finding best differentiates an arterial ulcer from a venous ulcer?

Location on the lower extremity
Presence of wound exudate
Irregular wound edges with hyperpigmentation
Pale wound bed with minimal drainage and painful (Correct answer)

Correct answer: Pale wound bed with minimal drainage and painful

Arterial ulcers typically have a pale, necrotic wound bed with minimal exudate and are painful due to ischemia, contrasting with venous ulcers.

Question 66: A patient with a spinal cord injury is at HIGH risk for pressure injuries primarily due to:

Arterial insufficiency from autonomic dysreflexia
Increased skin moisture from diaphoresis
Loss of protective sensation and impaired mobility (Correct answer)
Malnutrition from dysphagia

Correct answer: Loss of protective sensation and impaired mobility

Loss of sensory feedback means the patient cannot feel pain from sustained pressure, and impaired mobility prevents spontaneous repositioning.

Question 67: A clinician suspects a factitious wound (dermatitis artefacta) in a patient with a geometric wound pattern that does not fit any known vascular distribution. The most important next step in management is:

Psychiatric evaluation and a non-confrontational therapeutic approach (Correct answer)
High-dose systemic corticosteroids
Immediate skin grafting
Aggressive debridement

Correct answer: Psychiatric evaluation and a non-confrontational therapeutic approach

Factitious wounds are self-inflicted; addressing the underlying psychiatric condition and building patient trust is essential before any wound intervention.

Question 68: A diabetic patient presents with a wound on the plantar surface of the foot over the first metatarsal head. What wound classification system is most appropriate?

Wagner Ulcer Classification (Correct answer)
CEAP classification
NPUAP pressure injury staging
Bates-Jensen Wound Assessment Tool

Correct answer: Wagner Ulcer Classification

The Wagner Ulcer Classification System is specifically designed for diabetic foot ulcers and grades severity from 0 to 5.

Question 69: Which pressure ulcer is most severe?

stage II
stage I
stage IV (Correct answer)
stage III

Correct answer: stage IV

Pressure ulcers are staged from I to IV based on the depth of tissue damage, with Stage IV being the most severe classification. A Stage IV pressure ulcer involves full-thickness tissue loss with exposed bone, tendon, or muscle, indicating extensive damage to the underlying structures.

Question 70: A wound clinician uses negative pressure wound therapy (NPWT) as part of wound bed preparation. What is the PRIMARY mechanism by which NPWT prepares the wound bed?

It replaces the need for debridement
It removes excess exudate and promotes granulation tissue formation (Correct answer)
It sterilizes the wound by creating anaerobic conditions
It delivers oxygen directly to the wound tissue

Correct answer: It removes excess exudate and promotes granulation tissue formation

NPWT removes excess exudate, reduces edema, and promotes granulation tissue formation, creating a favorable wound bed for healing or grafting.

Question 71: When two surfaces rub against each other, shallow epidermal involvement is referred to as _____,

15-30 min. 1 hour
coagulation and secretion of growth factor
Wong Baker Faces Pain rating scale
friction (Correct answer)

Correct answer: friction

Friction occurs when two surfaces rub against each other, causing mechanical force that can damage the skin. In the context of skin injury, friction typically leads to superficial damage, primarily affecting the epidermis. This can manifest as abrasions, skin tears, or contribute to the development of pressure injuries.

Question 72: Cadexomer iodine is distinguished from povidone-iodine primarily because it:

Is more cytotoxic to fibroblasts
Cannot be used on infected wounds
Requires daily dressing changes
Releases iodine slowly and continuously (Correct answer)

Correct answer: Releases iodine slowly and continuously

Cadexomer iodine releases iodine in a slow, sustained manner, reducing cytotoxicity while maintaining antimicrobial activity.

Question 73: Which term describes new pink/purple tissue growing across a wound surface from the edges toward the center?

Fibrinolysis
Contraction
Epithelialization (Correct answer)
Granulation

Correct answer: Epithelialization

Epithelialization is the migration of epithelial cells across the wound surface to restore the skin barrier.

Question 74: Collagenase (Santyl) should NOT be used concurrently with:

Silver-containing dressings or povidone-iodine (Correct answer)
Transparent film dressings
Saline irrigation
Hydrogel dressings

Correct answer: Silver-containing dressings or povidone-iodine

Heavy metals such as silver and antiseptics like povidone-iodine inactivate collagenase, reducing its enzymatic effectiveness.

Question 75: A clinician notes that a wound's exudate has changed from serous to seropurulent. This change MOST likely indicates:

Normal collagen remodeling activity
Wound is entering the proliferative phase
The dressing is no longer absorbing properly
Increasing bacterial burden or wound infection (Correct answer)

Correct answer: Increasing bacterial burden or wound infection

A change to seropurulent or purulent exudate is a clinical sign of increasing bacterial burden, local infection, or systemic infection.

Question 76: Contact dermatitis around a wound is most commonly caused by:

Adhesive components in wound dressings (Correct answer)
Wound exudate
Compression bandages over intact skin
Systemic antibiotic therapy

Correct answer: Adhesive components in wound dressings

Adhesives and acrylates in wound dressings are a leading cause of peri-wound contact dermatitis.

Question 77: Which condition is a contraindication to applying compression therapy for a venous leg ulcer?

Mild pitting edema
Superficial varicose veins
ABI of 0.85
Severe peripheral arterial disease (ABI < 0.5) (Correct answer)

Correct answer: Severe peripheral arterial disease (ABI < 0.5)

Compression therapy is contraindicated when severe arterial disease is present (ABI < 0.5) because it can critically reduce arterial perfusion and worsen ischemia.

Question 78: A clinician is assessing a pressure injury on a patient's sacrum. The wound bed is completely obscured by a thick, leathery, black eschar. What is the correct stage for this pressure injury according to the NPIAP guidelines?

Unstageable (Correct answer)
Deep Tissue Injury
Stage 4
Stage 3

Correct answer: Unstageable

The correct stage is Unstageable. When the base of a full-thickness wound is covered by slough or eschar to the extent that the true depth cannot be determined, it is classified as Unstageable. Once the slough or eschar is removed, the wound will be revealed as either a Stage 3 or Stage 4 pressure injury.

Question 79: A wound care specialist selects larval (maggot) debridement therapy for a patient. What is a CONTRAINDICATION to this therapy?

Diabetic foot ulcer with necrotic tissue
Pressure injury with fibrinous slough
Wounds communicating with body cavities or organs (Correct answer)
Chronic venous ulcer with slough

Correct answer: Wounds communicating with body cavities or organs

Larval debridement is contraindicated in wounds with fistulae or communication with body cavities due to risk of larvae migration.

Question 80: A wound clinician measures a wound as 3 cm × 2 cm at the first visit and 2.5 cm × 1.8 cm at week 2. What percentage of wound area reduction occurred?

Approximately 15% reduction
Approximately 25% reduction (Correct answer)
Approximately 40% reduction
Approximately 5% reduction

Correct answer: Approximately 25% reduction

Initial area = 6 cm²; week 2 area = 4.5 cm²; reduction = 1.5/6 = 25% — a clinically significant improvement.

Question 81: Which concentration of povidone-iodine is considered safe for chronic wound use?

2%
0.5% or lower (Correct answer)
5%
10%

Correct answer: 0.5% or lower

Concentrations of 0.5% or lower are considered safe for chronic wounds, as higher concentrations are cytotoxic to healing cells.

Question 82: Which nutritional deficiency most directly impairs hydroxylation of proline and lysine, weakening collagen cross-linking?

Zinc deficiency
Vitamin C deficiency (Correct answer)
Vitamin A deficiency
Iron deficiency

Correct answer: Vitamin C deficiency

Vitamin C (ascorbic acid) is a required cofactor for prolyl and lysyl hydroxylase enzymes that stabilize collagen's triple helix structure.

Question 83: After an accident, a 29-year-old man comes to the ED with the cut shown below. There are no broken teeth, and he has tetanus. After an accident, a 27-year-old man comes to the ED with the cut shown below. There are no broken teeth, and he is up to date on his tetanus shot. What are the best steps for management to take next? <br> <br> (Reproduced, with permission, from Knoop KJ, Stack LB, Storrow AB. Atlas of Emergency Medicine. New York, NY: McGraw-Hill, 2002: 162.)

Infiltration of local anesthesia into the lip and then approximation of the vermilion border
Infraorbital nerve block and closure of mucosal defects before the approximation of the vermilion border
Infiltration of the lip with local anesthesia, closure of dermis and mucosal defects, and then approximation of the vermilion border
Infraorbital nerve block and then approximation of the vermilion border (Correct answer)

Correct answer: Infraorbital nerve block and then approximation of the vermilion border

For lip lacerations, especially those involving the vermilion border, an infraorbital nerve block (for the upper lip) or a mental nerve block (for the lower lip) provides superior anesthesia compared to local infiltration. This approach avoids distorting the delicate lip anatomy with anesthetic fluid, which is crucial for precise alignment and approximation of the vermilion border, ensuring an optimal cosmetic outcome. Approximating the vermilion border accurately is the critical first step in closure.

Question 84: Becaplermin (Regranex) gel is a recombinant form of which growth factor used in wound care?

Vascular endothelial growth factor (VEGF)
Epidermal growth factor (EGF)
Platelet-derived growth factor (PDGF-BB) (Correct answer)
Fibroblast growth factor (FGF)

Correct answer: Platelet-derived growth factor (PDGF-BB)

Becaplermin is a recombinant human platelet-derived growth factor-BB (rhPDGF-BB) indicated for non-infected neuropathic diabetic foot ulcers.

Question 85: A patient presents with a pressure injury over the coccyx. The assessment reveals full-thickness skin and tissue loss, with directly palpable fascia and muscle in the wound bed. Slough is present in 25% of the wound base, and undermining is noted from the 2 o'clock to 5 o'clock position. This wound would be classified as:

Unstageable
Stage 3
Stage 4 (Correct answer)
Stage 2

Correct answer: Stage 4

This wound is a Stage 4 pressure injury. The defining characteristic is full-thickness skin and tissue loss with exposed or directly palpable fascia, muscle, tendon, ligament, cartilage, or bone. While slough is present, it does not obscure the entire wound bed, allowing for determination of the wound's depth and the visualization of underlying structures, making it stageable.

Question 86: A 12-years girl with a forehead injury is brought to the emergency room by her parents. The patient hit her head on a doorknob, according to her dad. During the exam, the patient is cooperative, but he or she is nervous about getting the anesthetic shot. She has a 0.5-cm cut in the middle of her forehead. The edges are clean. Her parents ask about "skin glue," which they saw on TV and heard about. Which of the following is true about tissue adhesives made from cyanoacrylate?

Tissue adhesives have a higher rate of infection and tissue dehiscence than sutures.
It cannot be applied to mucous membranes and areas with thick hair. (Correct answer)
Tissue adhesives are applied inside the wound to pull skin edges together.
Tissue adhesives are best suited for forehead lacerations between 5 and 10 cm in length.

Correct answer: It cannot be applied to mucous membranes and areas with thick hair.

Cyanoacrylate tissue adhesives are not suitable for use on mucous membranes, such as the inside of the mouth or lips, because moisture can cause premature polymerization and irritation. Additionally, they are less effective in areas with thick hair, as the hair can interfere with proper adhesion and wound edge approximation, compromising the seal.

Question 87: How would a wound that initially healed as expected but then showed signs of plateauing and stayed unaltered for the second and third weeks be classified?

Recalcitrant wound
Acute wound
Chronic wound
Stunned wound (Correct answer)

Correct answer: Stunned wound

A 'stunned wound' describes a wound that initially heals as expected but then plateaus or shows a significant slowdown in progress, remaining unaltered for several weeks. This term is used when the wound's healing trajectory has been interrupted or slowed, indicating a need to reassess the underlying factors affecting healing, without necessarily classifying it as a chronic wound yet.

Question 88: A wound exhibiting signs of biofilm (recalcitrant to treatment, surface glycocalyx) would BEST benefit from which combination approach?

Mechanical debridement + topical antimicrobial dressing (Correct answer)
Transparent film dressing to maintain occlusion
Dry dressing + oral antibiotics alone
Hydrogel only to rehydrate the biofilm

Correct answer: Mechanical debridement + topical antimicrobial dressing

Biofilm management requires physical disruption through debridement combined with an antimicrobial dressing to reduce recolonization.

Question 89: Which laboratory value is the BEST indicator of a patient's long-term nutritional status and protein availability for wound healing?

C-reactive protein
Prealbumin (transthyretin) (Correct answer)
Serum albumin
Hemoglobin A1c

Correct answer: Prealbumin (transthyretin)

Prealbumin has a half-life of 2–3 days, making it the most sensitive short-to-medium-term marker of current protein status and nutritional change.

Question 90: A fistula is best defined as:

An abnormal opening between two epithelium-lined organs or surfaces (Correct answer)
A deep sinus tract extending to bone
A wound complication caused by infection
An area of tissue necrosis within a wound bed

Correct answer: An abnormal opening between two epithelium-lined organs or surfaces

A fistula is an abnormal communication between two epithelialized surfaces, such as an enteric-cutaneous fistula.

Question 91: In wound bed preparation, biofilm management is critical. Which intervention is MOST effective at disrupting mature wound biofilm?

Mechanical debridement combined with antimicrobial dressings (Correct answer)
Systemic antibiotics alone
Topical antiseptics alone
Occlusive dressings

Correct answer: Mechanical debridement combined with antimicrobial dressings

Mature biofilm requires physical disruption through mechanical debridement followed by antimicrobial therapy to prevent rapid reformation.

Question 92: Periwound erythema, warmth, induration, and pain extending more than 2 cm from the wound edge BEST describe:

Normal inflammatory phase
Cellulitis requiring systemic antibiotics (Correct answer)
Wound critical colonization
Wound colonization

Correct answer: Cellulitis requiring systemic antibiotics

These classic signs of spreading infection beyond the wound edge define cellulitis, which requires systemic antibiotic treatment.

Question 93: Doctors remove wire sutures.

FALSE
TRUE (Correct answer)

Correct answer: TRUE

Wire sutures are a type of non-absorbable suture material used for strong, long-lasting wound closure. Since the body cannot naturally break down or absorb these materials, they must be manually removed by a healthcare professional once the wound has sufficiently healed. This prevents complications and ensures proper recovery.

Question 94: A 65-year-old patient with uncontrolled type 2 diabetes mellitus (HbA1c of 10.5%) presents with a full-thickness wound on their lower leg. All of the following are mechanisms by which hyperglycemia directly impairs wound healing EXCEPT:

Accumulation of advanced glycation end products (AGEs)
Impaired leukocyte function and chemotaxis
Increased production of pro-inflammatory cytokines
Enhanced fibroblast proliferation (Correct answer)

Correct answer: Enhanced fibroblast proliferation

Hyperglycemia impairs, rather than enhances, fibroblast function. High glucose levels reduce fibroblast proliferation and their ability to synthesize collagen, leading to a weaker and poorly formed wound matrix. The other options are all known negative effects of hyperglycemia on healing.

Question 95: Do pressure ulcers typically develop over bony prominences and are caused by persistent pressure that damages the underlying tissue?

TRUE (Correct answer)
FALSE

Correct answer: TRUE

Pressure ulcers, also known as bedsores or decubitus ulcers, are typically caused by prolonged pressure on the skin and underlying tissue. This pressure usually occurs over bony prominences, restricting blood flow and leading to tissue damage and breakdown. Therefore, the statement accurately describes the common development and cause of pressure ulcers.

Question 96: A 35-year-old woman walks into the emergency room with only her left hand. She says that she cut herself when she tried to cut a bagel. She has a small, 2-cm cut on the left side of her thenar eminence. There aren't any deeper structures involved. How should the wound be cleaned?

Use a high-pressure syringe and irrigate with water. (Correct answer)
Wound cleaning is unnecessary because wound was sustained from a clean knife.
Punch holes in a normal saline bag or bottle and irrigate the wound.
Soak her hand in normal saline for 30 minutes.

Correct answer: Use a high-pressure syringe and irrigate with water.

High-pressure irrigation is the most effective method for cleaning wounds, as it mechanically removes debris, bacteria, and contaminants, thereby reducing the risk of infection. Using a high-pressure syringe (e.g., a 35-mL syringe with a 19-gauge angiocatheter) with clean water or saline provides the necessary force to adequately cleanse the wound. Soaking or low-pressure irrigation is less effective at dislodging foreign material and bacteria.

Question 97: Which of the following dressing categories is known for its ability to donate moisture to a dry wound bed, promoting autolytic debridement?

Hydrocolloids
Foam dressings
Amorphous hydrogels (Correct answer)
Calcium alginates

Correct answer: Amorphous hydrogels

Amorphous hydrogels are water- or glycerin-based products with a high moisture content (often over 90% water). They are specifically designed to donate moisture to dry or desiccated wound beds, which softens slough and eschar and facilitates autolytic debridement. Alginates and foams are absorptive, and hydrocolloids manage minimal to moderate exudate.

Question 98: Wet-to-dry gauze debridement is classified as which type of debridement?

Selective debridement
Non-selective mechanical debridement (Correct answer)
Biological debridement
Enzymatic debridement

Correct answer: Non-selective mechanical debridement

Wet-to-dry dressings are non-selective mechanical debridement because they remove both necrotic and viable tissue as the dressing dries and adheres.

Question 99: Which wound exudate characteristic is most concerning and warrants immediate clinical evaluation?

Increased drainage after compression therapy
Serosanguineous drainage after debridement
Serous exudate in a healing wound
Purulent exudate with foul odor (Correct answer)

Correct answer: Purulent exudate with foul odor

Purulent exudate with foul odor indicates infection and requires immediate evaluation and intervention.

Question 100: What happens to the skin (epidermis) as it ages?

None of the above
does not change
becomes thinner and dryer (Correct answer)
becomes thicker and dryer

Correct answer: becomes thinner and dryer

As skin ages, the epidermis (outermost layer) thins due to decreased cell turnover and flattening of the dermal-epidermal junction. Additionally, there's a reduction in natural oils and hyaluronic acid, leading to decreased moisture retention and increased dryness. These changes make aged skin more fragile, less elastic, and more susceptible to injury.

Question 101: Which bacteria is MOST commonly isolated from infected diabetic foot ulcers in patients with no prior antibiotic exposure?

Pseudomonas aeruginosa
Methicillin-resistant Staphylococcus aureus (MRSA)
Staphylococcus aureus (Correct answer)
Bacteroides fragilis

Correct answer: Staphylococcus aureus

Staphylococcus aureus is the most frequent causative organism in previously unexposed diabetic foot infections, though MRSA is common in healthcare-associated infections.

Question 102: A wound exudes light pink and blood-tinged fluid on Peter Griffin. Which drainage is this?

Serosanguineous drainage (Correct answer)
Purulent drainage
Serous drainage
Sanguineous drainage

Correct answer: Serosanguineous drainage

Serosanguineous drainage is a type of wound exudate characterized by its light pink or blood-tinged appearance. It is a mixture of serous fluid (clear, watery plasma) and sanguineous fluid (red blood). This drainage indicates the presence of both plasma and a small amount of red blood cells, often seen in normal healing wounds.

Question 103: Which type of wound closure is MOST appropriate for a contaminated traumatic wound presenting 18 hours after injury?

Delayed primary closure (Correct answer)
Tissue adhesive application
Secondary intention (allowing to heal open)
Primary intention (immediate closure)

Correct answer: Delayed primary closure

Delayed primary closure (closing after 4–5 days of open observation) reduces infection risk in contaminated wounds presenting beyond the golden period.

Question 104: Which characteristic BEST describes a hydrofiber (CMC) dressing compared to an alginate dressing?

Hydrofiber dressings must be moistened before application
Hydrofiber dressings gel on contact and do not fall apart, reducing wound bed disruption on removal (Correct answer)
Hydrofiber dressings have higher antimicrobial activity
Hydrofiber dressings are appropriate only for dry wounds

Correct answer: Hydrofiber dressings gel on contact and do not fall apart, reducing wound bed disruption on removal

Hydrofiber (carboxymethylcellulose) dressings form a cohesive gel that stays intact on removal, minimizing trauma and wound bed disruption compared to some alginates.

Question 105: A venous leg ulcer is most typically located at which anatomical site?

Dorsum of the foot
Lateral malleolus
Medial malleolus and lower leg (gaiter area) (Correct answer)
Heel

Correct answer: Medial malleolus and lower leg (gaiter area)

Venous leg ulcers most commonly occur in the gaiter area, particularly around the medial malleolus, due to venous hypertension and ambulatory venous disease.

Question 106: A comprehensive wound assessment should include multiple components to guide the plan of care. Which of the following is the MOST complete list of essential assessment components?

Location, size, drainage amount, and pain level.
Presence of odor and the patient's nutritional status.
Anatomical location, dimensions (length, width, depth), wound bed tissue types, drainage characteristics, and condition of the periwound skin. (Correct answer)
Wound size and color only.

Correct answer: Anatomical location, dimensions (length, width, depth), wound bed tissue types, drainage characteristics, and condition of the periwound skin.

A thorough wound assessment must be comprehensive to be effective. This includes precise anatomical location, measurements (length, width, depth, and any undermining or tunneling), assessment of the tissue types in the wound bed (e.g., granulation, slough, eschar), characteristics of any exudate (amount, color, consistency), and the condition of the skin surrounding the wound (periwound).

Question 107: Which of the following findings would correctly identify a pressure injury as Stage 3?

Full-thickness skin loss with visible adipose (fat) tissue and granulation tissue. (Correct answer)
Full-thickness skin and tissue loss with exposed muscle and bone.
Partial-thickness skin loss with exposed dermis.
Intact skin with non-blanchable erythema.

Correct answer: Full-thickness skin loss with visible adipose (fat) tissue and granulation tissue.

A Stage 3 pressure injury is characterized by full-thickness loss of skin, where adipose (fat) is visible in the ulcer. Granulation tissue and epibole (rolled wound edges) are often present. Muscle, tendon, or bone are not exposed in a Stage 3 injury.

Question 108: A patient has a diabetic foot ulcer with mild-to-moderate exudate and no signs of infection. Which dressing would be MOST appropriate as a primary dressing?

Dry gauze with daily changes
Foam dressing with moisture vapor transmission (Correct answer)
Occlusive hydrocolloid left in place for 7 days
Sodium hypochlorite solution-moistened gauze

Correct answer: Foam dressing with moisture vapor transmission

Foam dressings maintain a moist healing environment and manage mild-to-moderate exudate effectively, making them appropriate for non-infected diabetic foot ulcers.

Question 109: Which of the following complications could arise if a patient is positioned prone with their head tilted laterally to ease strain on their hips and spine?

Decreased cerebral circulation and ocular damage (Correct answer)
Increased intracranial pressure and increased intraocular pressure
Injury to the peroneal nerve as well as dislocation of the hip and stress on the lower back and pelvis
Diaphragm displaced anteriorly by abdominal viscera resulting in decreased functional residual capacity, especially in the elderly

Correct answer: Decreased cerebral circulation and ocular damage

When a patient is positioned prone with their head tilted laterally, there is a risk of compressing the carotid or vertebral arteries in the neck. This compression can lead to decreased cerebral circulation, potentially causing brain ischemia. Additionally, direct pressure on the eye or inadequate padding can result in ocular damage, such as corneal abrasions, retinal ischemia, or even vision loss.

Question 110: A clinician documents wound undermining at '9 to 12 o'clock, extends 2 cm.' Using the clock face method, where is this undermining located?

On the patient's right medial to inferior border
On the patient's inferior to left lateral border
On the patient's left lateral to superior border
On the patient's right lateral to superior border (Correct answer)

Correct answer: On the patient's right lateral to superior border

With 12 o'clock toward the head, 9 o'clock is the patient's right side and 12 o'clock is superior, so undermining spans right lateral to superior.

Question 111: Which dressing is considered MOST appropriate for packing a deep tunneling wound?

Non-adherent foam island dressing
Hydrocolloid wafer
Rope/ribbon alginate or hydrofiber (Correct answer)
Transparent film

Correct answer: Rope/ribbon alginate or hydrofiber

Rope or ribbon forms of alginate or hydrofiber dressings can be loosely packed into tunnels and cavities to absorb exudate while conforming to wound depth.

Question 112: Creating new blood vessels is formally called:

Angiogenesis (Correct answer)
Biogenesis
Angina
Coagulation

Correct answer: Angiogenesis

Angiogenesis is the physiological process of forming new blood vessels from pre-existing ones. In the context of wound healing, angiogenesis is a critical component of the proliferative phase, ensuring that the newly forming granulation tissue receives an adequate blood supply for oxygen, nutrients, and waste removal, which are essential for tissue repair.

Question 113: Which finding on wound assessment indicates the wound is in the proliferative phase of healing?

Wound edges rolled under (epibole)
Presence of fibrin slough covering 50% of the wound bed
Eschar covering the wound base
Bright red granulation tissue filling the wound bed (Correct answer)

Correct answer: Bright red granulation tissue filling the wound bed

Bright red granulation tissue indicates active angiogenesis and collagen synthesis, hallmarks of the proliferative healing phase.

Question 114: Which anatomical location is most typical for venous stasis ulcers?

Medial malleolus and gaiter area of the lower leg (Correct answer)
Tips of the toes and dorsum of the foot
Lateral malleolus and outer ankle
Plantar surface of the foot at bony prominences

Correct answer: Medial malleolus and gaiter area of the lower leg

Venous ulcers most commonly occur in the gaiter area around the medial malleolus due to the highest concentration of venous hypertension in that region.

Question 115: From day 3 or 4 to day 21, when the injury happens, this phase of healing gets longer. The area has more collagen. Capillaries run across the wound.

None of these
Proliferative phase (Correct answer)
Inflammatory phase
Maturation phase

Correct answer: Proliferative phase

The proliferative phase of wound healing typically occurs from day 3-4 to day 21 post-injury. During this phase, fibroblasts produce collagen, and new capillaries form (angiogenesis), leading to the development of granulation tissue that fills the wound bed. This stage is crucial for rebuilding tissue and closing the wound.

Question 116: Which topical agent should be AVOIDED in wounds with exposed cartilage or bone due to cytotoxicity?

Silver sulfadiazine
Medical-grade honey
Full-strength Dakin's solution (Correct answer)
Cadexomer iodine

Correct answer: Full-strength Dakin's solution

Full-strength Dakin's solution (0.5% sodium hypochlorite) is highly cytotoxic and should be avoided on viable tissue, exposed bone, or cartilage.

Question 117: A wound clinician observes satellite lesions (small wounds) surrounding a primary wound. This finding most likely indicates:

Spreading infection or cutaneous involvement beyond primary wound (Correct answer)
Wound dehiscence from suture failure
Adequate moisture balance in the wound environment
Normal wound edge migration during epithelialization

Correct answer: Spreading infection or cutaneous involvement beyond primary wound

Satellite lesions surrounding a primary wound suggest spreading infection, autoimmune conditions, or malignancy requiring further investigation.

Question 118: A honey-impregnated dressing works through which PRIMARY mechanism?

High pH that inhibits bacterial growth
Osmotic action and hydrogen peroxide generation (Correct answer)
Systemic absorption of antibiotics
Keratinocyte growth factor stimulation

Correct answer: Osmotic action and hydrogen peroxide generation

Medical-grade honey exerts antimicrobial effects primarily through osmotic activity and low-level hydrogen peroxide production.

Question 119: A patient with a history of ANCA-associated vasculitis presents with a new lower extremity ulcer. Which biopsy finding would confirm vasculitis as the etiology?

Dermal edema with hemosiderin deposits
Fibrin thrombi with minimal inflammation
Fibrinoid necrosis of vessel walls with neutrophilic infiltration (Correct answer)
Calcium deposits in the media of arterioles

Correct answer: Fibrinoid necrosis of vessel walls with neutrophilic infiltration

ANCA-associated vasculitis shows fibrinoid necrosis of vessel walls with a neutrophilic infiltrate on biopsy, confirming vessel wall inflammation as the wound cause.

Question 120: Which hemoglobin A1c (HbA1c) level is generally considered the threshold above which wound healing is significantly compromised in diabetic patients?

Above 8.0% (Correct answer)
Above 6.5%
Above 9.0%
Above 7.0%

Correct answer: Above 8.0%

HbA1c above 8% is associated with significantly impaired leukocyte function, angiogenesis, and collagen synthesis, substantially increasing wound healing risk.

Question 121: A wound is documented as having 'induration' in the periwound area. What does this finding indicate?

Maceration from excessive wound moisture
Superficial skin dryness requiring moisturizer
Normal healing response with new collagen
Tissue hardness suggesting deep tissue involvement or infection (Correct answer)

Correct answer: Tissue hardness suggesting deep tissue involvement or infection

Induration (abnormal firmness or hardness) in periwound tissue suggests inflammation, infection, or deep tissue involvement beyond the visible wound.

Question 122: Which of the following nutritional recommendations is MOST important for an individual at high risk for pressure injury development?

Supplementation with vitamin K.
A high-carbohydrate, low-fat diet.
Increased fluid intake and adequate protein. (Correct answer)
A calorie-restricted diet to manage weight.

Correct answer: Increased fluid intake and adequate protein.

Adequate hydration is crucial for maintaining skin turgor and perfusion, while sufficient protein is essential for tissue repair and maintenance. International guidelines emphasize ensuring adequate intake of fluid and protein as key nutritional interventions for pressure injury prevention.

Question 123: A critically ill patient in the ICU is placed on a vasopressor. How does this medication increase pressure injury risk?

It causes peripheral vasoconstriction, reducing tissue perfusion to bony prominences (Correct answer)
It causes agitation, increasing friction and shear forces
It increases urine output, causing moisture-related skin breakdown
It raises core body temperature, accelerating skin breakdown

Correct answer: It causes peripheral vasoconstriction, reducing tissue perfusion to bony prominences

Vasopressors cause peripheral vasoconstriction, which reduces blood flow to skin over bony prominences and increases ischemia risk.

Question 124: TransCyte is prescribed to treat:

arterial ulcers
burns (partial to full-thickness) (Correct answer)
surgical wounds
venous ulcers

Correct answer: burns (partial to full-thickness)

TransCyte is a temporary biosynthetic wound dressing specifically designed for the management of partial to full-thickness burns. It acts as a skin substitute, providing a protective barrier over the wound. This barrier helps to reduce fluid loss, protect against infection, and create a moist wound environment conducive to healing, particularly in severe burn injuries.

Question 125: What happens (mostly) in the first phase of wound healing?

Hemostasis (Correct answer)
Granulation tissue formation
Angiogenesis
Inflammation

Correct answer: Hemostasis

The first phase of wound healing, occurring immediately after injury, is hemostasis. This rapid process involves vasoconstriction to reduce blood flow, platelet aggregation to form a plug, and the activation of the coagulation cascade to form a stable fibrin clot. The primary goal is to stop bleeding and create a temporary seal.

Question 126: Dressing choices will be made based on agency policy and traditional plans for universal care.

FALSE (Correct answer)
TRUE

Correct answer: FALSE

Dressing choices should be based on a thorough assessment of the individual wound, the patient's overall health, and evidence-based practice guidelines, rather than solely on agency policy or traditional plans. Tailoring the dressing to the specific wound characteristics and healing goals is crucial for optimal outcomes and effective wound management.

Question 127: Which ankle-brachial index (ABI) value indicates severe peripheral arterial disease contraindicating compression therapy?

0.7–0.89
Less than 0.5 (Correct answer)
0.5–0.69
0.9–1.1

Correct answer: Less than 0.5

An ABI below 0.5 indicates severe PAD, and compression therapy is contraindicated due to risk of further ischemia.

Question 128: A wound care nurse is assessing a shallow, open ulcer on a patient's ischium. The wound bed is pink and moist, with partial-thickness loss of the dermis. There is no slough, eschar, or granulation tissue visible. Adipose tissue is not exposed. How should this pressure injury be staged?

Unstageable
Stage 2 (Correct answer)
Stage 1
Stage 3

Correct answer: Stage 2

This wound should be staged as a Stage 2 pressure injury. A Stage 2 injury is defined as partial-thickness skin loss with an exposed dermis. The wound bed is viable, pink or red, moist, and may also present as a serum-filled blister. The absence of slough, eschar, granulation tissue, and exposed adipose tissue are key characteristics of a Stage 2 injury.

Question 129: Which type of debridement is CONTRAINDICATED in a patient on warfarin therapy with a vascular wound?

Enzymatic debridement
Sharp/surgical debridement (Correct answer)
Autolytic debridement
Biological (maggot) debridement

Correct answer: Sharp/surgical debridement

Sharp debridement carries high bleeding risk in anticoagulated patients and is contraindicated unless in a controlled surgical setting.

Question 130: A bariatric patient (350 kg) requires repositioning every 2 hours. Which resource is MOST essential to ensure safe repositioning AND pressure injury prevention?

Bariatric-rated friction-reducing repositioning aids and adequate staff (Correct answer)
Additional nursing documentation forms
A standard hospital mattress with extra foam topper
More frequent vital sign monitoring

Correct answer: Bariatric-rated friction-reducing repositioning aids and adequate staff

Bariatric patients require weight-rated repositioning equipment and sufficient staff to safely redistribute pressure without injury to patient or staff.

Question 131: A patient has a wound with a PUSH score of 12. What does a higher PUSH score indicate?

Absence of infection
A fully granulated wound bed
Greater wound severity or poorer healing (Correct answer)
Better wound healing progress

Correct answer: Greater wound severity or poorer healing

The Pressure Ulcer Scale for Healing (PUSH) tool uses a higher score to indicate a more severe wound; as healing progresses, the score should decrease toward zero.

Question 132: In the Bates-Jensen Wound Assessment Tool (BWAT), a lower total score indicates:

Better wound status with healing progress (Correct answer)
Greater wound depth and undermining
Worse wound status requiring intensive intervention
More necrotic tissue present in the wound

Correct answer: Better wound status with healing progress

In the BWAT, items are scored 1-5 where lower scores indicate healthier wound characteristics, so a lower total score means better wound status.

Question 133: When using the ankle-brachial index (ABI) to assess lower extremity perfusion, a value of 0.45 indicates:

Venous hypertension
Normal arterial perfusion
Mild arterial insufficiency
Severe arterial insufficiency (Correct answer)

Correct answer: Severe arterial insufficiency

An ABI below 0.5 indicates severe arterial insufficiency and contraindicates compression therapy without vascular consultation.

Question 134: A key component of wound bed preparation is the TIME framework. What does the 'M' in this acronym represent?

Measurement of wound dimensions
Mechanical debridement
Medication application
Moisture imbalance (Correct answer)

Correct answer: Moisture imbalance

The 'M' in the TIME framework stands for Moisture imbalance. The framework guides clinicians to assess and manage four key areas to promote healing: Tissue (non-viable or deficient), Infection/Inflammation, Moisture imbalance, and Edge of wound (non-advancing).

Question 135: What does the term 'biofilm' mean in the context of wound assessment, and why is it clinically significant?

The fibrin layer that forms naturally during wound healing
A transparent protective film applied to cover wounds
A type of wound dressing that promotes moisture balance
A structured community of bacteria embedded in a protective matrix that resists antibiotics (Correct answer)

Correct answer: A structured community of bacteria embedded in a protective matrix that resists antibiotics

Biofilm is a bacterial community encased in a self-produced matrix that dramatically increases antibiotic resistance and perpetuates wound chronicity.

Question 136: A patient with systemic lupus erythematosus (SLE) develops painful digital ulcers and skin necrosis. Antiphospholipid antibodies are detected. Which mechanism best explains this wound presentation?

Complement-mediated direct tissue destruction
Autoimmune neutrophil infiltration of dermis
Hypercoagulability causing thrombotic occlusion of microvasculature (Correct answer)
Immune complex deposition causing vasodilation

Correct answer: Hypercoagulability causing thrombotic occlusion of microvasculature

Antiphospholipid syndrome promotes a hypercoagulable state leading to thrombosis of small and medium vessels, resulting in ischemic ulcers and digital necrosis.

Question 137: Which dressing type BEST supports autolytic debridement?

Foam dressing
Dry gauze
Hydrocolloid or hydrogel dressings (Correct answer)
Calcium alginate

Correct answer: Hydrocolloid or hydrogel dressings

Hydrocolloid and hydrogel dressings maintain a moist environment that supports the body's own enzymes in liquefying and separating necrotic tissue.

Question 138: Which of the following best describes a 'biofilm' in chronic wound management?

A type of enzymatic debridement agent
An organized community of bacteria encased in a protective polysaccharide matrix (Correct answer)
A thin transparent film dressing applied to wounds
A superficial skin infection limited to the epidermis

Correct answer: An organized community of bacteria encased in a protective polysaccharide matrix

Biofilm is a structured community of microorganisms embedded in a self-produced matrix that protects bacteria from antibiotics and host immune defenses, contributing to chronic wound stalling.

Question 139: When assessing a venous leg ulcer, which finding is most characteristic and expected?

Deep wound with exposed tendon
Punched-out appearance with regular borders
Pale wound bed with minimal exudate
Irregular wound margins with moderate to heavy exudate (Correct answer)

Correct answer: Irregular wound margins with moderate to heavy exudate

Venous ulcers characteristically present with irregular margins, heavy fibrinous exudate, and often ruddy granulation tissue.

Question 140: Which type of tissue should generally NOT be debrided in heel wounds?

Soft, fluctuant eschar
Stable, dry, adherent eschar without signs of infection (Correct answer)
Slough
Fibrinous exudate

Correct answer: Stable, dry, adherent eschar without signs of infection

Stable, dry, adherent eschar on heel wounds without infection or fluctuance should not be debrided, as it serves as a biological cover protecting underlying tissue.

Question 141: A home health nurse is caring for a patient with a deep, tunneling wound on the thigh with copious, purulent drainage and a suspected anaerobic infection. Which dressing would be contraindicated for this wound?

Foam dressing
Hydrocolloid sheet (Correct answer)
Gauze packing strip
Silver-impregnated alginate rope

Correct answer: Hydrocolloid sheet

Hydrocolloid dressings are occlusive, meaning they do not allow air or moisture to pass through. Using an occlusive dressing over an infected wound, especially a deep wound with suspected anaerobic infection, can trap bacteria and exudate, creating an environment that worsens the infection and can lead to abscess formation. Therefore, they are contraindicated in clinically infected wounds.

Question 142: A patient receiving negative pressure wound therapy (NPWT) develops sudden bright red blood in the drainage tubing. The FIRST action the wound care clinician should take is:

Notify the physician and continue monitoring
Discontinue NPWT and apply direct pressure (Correct answer)
Irrigate the wound with saline
Decrease the negative pressure setting

Correct answer: Discontinue NPWT and apply direct pressure

Sudden bright red blood signals active hemorrhage; NPWT must be stopped immediately and direct pressure applied to control bleeding before any other action.

Question 143: When using the TIME framework for wound bed preparation, the 'E' stands for:

Epithelialization assessment
Edge of wound (Correct answer)
Enzymatic debridement
Exudate management

Correct answer: Edge of wound

In the TIME framework, E stands for Edge of wound — non-advancing or undermined wound edges signal the need for further intervention to stimulate migration.

Question 144: Necrobiosis lipoidica diabeticorum (NLD) most commonly presents in which anatomical location?

Medial ankle
Pretibial area of the lower leg (Correct answer)
Dorsum of the hand
Plantar foot

Correct answer: Pretibial area of the lower leg

NLD classically appears on the pretibial surface as waxy, yellow-brown plaques with a violaceous border that may ulcerate in the center.

Question 145: A traveler returning from South America presents with a painless, crusted, nodular ulcer on the forearm that has not healed for 3 months. Tissue culture and smear reveal intracellular organisms. The most likely diagnosis is:

Mycobacterium marinum infection
Sporotrichosis
Buruli ulcer
Leishmaniasis (Correct answer)

Correct answer: Leishmaniasis

Cutaneous leishmaniasis causes a painless, slowly progressive ulcer ("volcano crater" appearance) caused by Leishmania protozoa transmitted by sandfly bites.

Question 146: What is the PRIMARY purpose of wound debridement?

Increase wound pain sensation
Prevent bleeding
Remove necrotic tissue and reduce bacterial load to promote healing (Correct answer)
Create a dry wound environment

Correct answer: Remove necrotic tissue and reduce bacterial load to promote healing

Debridement removes necrotic tissue, slough, and bacterial burden that impede wound healing and prevent granulation tissue formation.

Question 147: Which assessment technique is used to detect undermining in a wound?

Using a sterile cotton-tipped applicator to probe beneath wound edges (Correct answer)
Pressing firmly on periwound skin to check for blanching
Applying wound photography for documentation
Measuring wound width at its widest visible point

Correct answer: Using a sterile cotton-tipped applicator to probe beneath wound edges

A sterile cotton-tipped applicator is gently inserted under wound edges to detect and measure undermining depth and direction.

Question 148: A patient with a stage 3 pressure injury has yellow slough covering 60% of the wound bed. Which debridement method is MOST appropriate if the patient is on anticoagulant therapy?

Sharp/surgical debridement
Autolytic debridement
Enzymatic debridement (Correct answer)
Mechanical debridement with wet-to-dry gauze

Correct answer: Enzymatic debridement

Enzymatic debridement (e.g., collagenase) is safe for anticoagulated patients because it carries no bleeding risk unlike sharp debridement.

Question 149: What is the best dressing to use when a deep ulcerated area has a lot of exudate and the drainage is caused by tumor necrosis?

Foam
Alginate (Correct answer)
Gauze
Charcoal dressing

Correct answer: Alginate

Alginate dressings are highly absorbent, making them the best choice for deep, highly exudative wounds, especially those with significant drainage from tumor necrosis. Made from seaweed, alginates form a gel upon contact with wound exudate, which helps to manage moisture, promote autolytic debridement, and conform to the wound bed, creating an optimal healing environment.

Question 150: Red blood cells are made of a protein that gives them their red color and their capacity to carry oxygen. What is the name of this protein?

Hemoglobin (Correct answer)
iron deficiency
Primary
B12 injection

Correct answer: Hemoglobin

Hemoglobin is the iron-containing protein found within red blood cells. It is responsible for binding to and transporting oxygen from the lungs to the body's tissues. The iron component of hemoglobin is also what gives red blood cells and blood its characteristic red color.

Question 151: A patient's wound has critical colonization. Which clinical sign BEST distinguishes this from frank infection?

Periwound erythema >2 cm
Stalled healing with increased exudate but no systemic signs (Correct answer)
Systemic fever and leukocytosis
Wound cultures positive for Staphylococcus aureus

Correct answer: Stalled healing with increased exudate but no systemic signs

Critical colonization presents with stalled healing and increased exudate without systemic inflammatory response, unlike frank infection.

Wound Care Certification (WCC) Exam

The WCC exam certifies healthcare professionals in the specialized knowledge and skills required for effective wound management and patient care.

150

Questions

180 min

Time Limit

70%

To Pass

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