MNT Nail Anatomy & Disorders 1 — Questions and Answers
Question 1: What part of the nail protects the nail matrix?
- Nail plate
- Cuticle (Correct answer)
- Nail bed
- Lunula
Correct answer: Cuticle
The cuticle protects the nail matrix and keeps it from damage.
Question 2: Which of the following is a common disorder of the nail?
- Psoriasis
- Onychomycosis (Correct answer)
- Hangnail
- Alopecia
Correct answer: Onychomycosis
Onychomycosis is a fungal infection that affects the nails.
Question 3: What is the term for a nail that is abnormally thickened?
- Onycholysis
- Onychauxis
- Onychogryphosis (Correct answer)
- Onychomadesis
Correct answer: Onychogryphosis
Onychauxis is the condition where nails become thick and hard.
Question 4: What is the visible portion of the nail that extends from the fingertip?
- Lunula
- Nail bed
- Nail plate (Correct answer)
- Matrix
Correct answer: Nail plate
The nail plate is the visible portion of the nail.
Question 5: What condition causes the nails to become spoon-shaped?
- Psoriasis
- Koilonychia (Correct answer)
- Clubbing
- Tinea pedis
Correct answer: Koilonychia
Koilonychia, or spoon nails, often indicates iron deficiency.
Question 6: Which part of the nail is responsible for new growth?
- Nail bed
- Matrix (Correct answer)
- Lunula
- Cuticle
Correct answer: Matrix
The nail matrix is where new nail cells are created.
Question 7: What condition causes a yellowish discoloration in the nails?
- Onycholysis
- Yellow nail syndrome (Correct answer)
- Lichen planus
- Psoriasis
Correct answer: Yellow nail syndrome
Yellow nail syndrome can cause yellow discoloration and changes in nail growth.
Question 8: What is the term for a nail that grows detached from the nail bed?
- Onychomadesis
- Onycholysis (Correct answer)
- Onychomysosis
- Onychocryptosis
Correct answer: Onycholysis
Onycholysis refers to the separation of the nail from the nail bed.
Question 9: What causes onychomycosis in nails?
- Bacterial infections
- Fungal infections (Correct answer)
- Nutritional deficiencies
- Trauma
Correct answer: Fungal infections
Fungal infections, particularly dermatophytes, cause onychomycosis.
What part of the nail protects the nail matrix?