PTCB Drug Test #2 2 — Questions and Answers
Question 1: A patient requires 250 mg of amoxicillin. The available suspension is 125 mg/5 mL. How many mL should be administered?
- 5 mL
- 15 mL
- 10 mL (Correct answer)
- 20 mL
Correct answer: 10 mL
Using the proportion method: 125 mg/5 mL = 250 mg/X mL. X = (250 x 5) ÷ 125 = 10 mL.
Question 2: Adalimumab (Humira) belongs to which drug class?
- Corticosteroid
- DMARD (conventional)
- TNF-alpha inhibitor (Correct answer)
- JAK inhibitor
Correct answer: TNF-alpha inhibitor
Humira (adalimumab) is a biologic TNF-alpha inhibitor used for rheumatoid arthritis, Crohn's disease, and psoriasis.
Question 3: Which of the following is a Schedule III controlled substance?
- Oxycodone
- Buprenorphine (Correct answer)
- Diazepam
- Tramadol
Correct answer: Buprenorphine
Buprenorphine (Suboxone) is classified as Schedule III. Oxycodone is Schedule II, diazepam is Schedule IV, and tramadol is Schedule IV.
Question 4: What storage condition does the designation "refrigerate" indicate?
- 2–8°C (Correct answer)
- 8–15°C
- 15–25°C
- −20 to −10°C
Correct answer: 2–8°C
USP defines refrigerated storage as 2–8°C (36–46°F). This is the standard refrigerator temperature range for medications like insulin and many reconstituted antibiotics.
Question 5: Which drug class does gabapentin (Neurontin) belong to?
- Benzodiazepine
- SSRI
- Anticonvulsant/neuropathic pain agent (Correct answer)
- Opioid
Correct answer: Anticonvulsant/neuropathic pain agent
Gabapentin is an anticonvulsant also used for neuropathic pain, restless leg syndrome, and postherpetic neuralgia. It is structurally related to GABA but works differently.
Question 6: What does the prefix "cef-" or "ceph-" typically indicate about a drug?
- It is a penicillin
- It is a cephalosporin antibiotic (Correct answer)
- It is a macrolide
- It is a fluoroquinolone
Correct answer: It is a cephalosporin antibiotic
Drugs beginning with "cef-" (cefazolin, cephalexin, ceftriaxone) are cephalosporin antibiotics, beta-lactam antibiotics related to penicillins.
PTCB Drug Test #2 2
A patient requires 250 mg of amoxicillin.
The available suspension is 125 mg/5 mL.
How many mL should be administered?