Test Yourself: Koilonychia

A specimen under a microscope.
A specimen under a microscope.

In each issue, you will find a multiple-choice test that will allow you to demonstrate what you have learned from our Nail Clinic column. Discover answers to this month’s test. Then check if you got them correct at the bottom of this quiz!

1. If a nail tech suspects that a client has koilonychia, a referral to a dermatologist can be helpful.

A. True

B. False

2. Nondermatological causes of koilonychia can include __.

A. Iron-deficiency anemia

B. Hypothyroidism

C. Diabetes mellitus

D. All the above

3. Too little or too much iron in the body can cause koilonychia.

A. True

B. False

4. Koilonychia presents as __.

A. Convex nails

B. A bacterial infection

C. Spoon-shaped nails

D. None of the above

5. Koilonychia usually causes pain in the affected nails.

A. True

B. False

6. Which of the following dermatological diseases might cause koilonychia?

A. Psoriasis

B. Alopecia areata

C. Lichen planus

D. All the above

7. Clients with koilonychia may benefit from __ to help with the nails’ appearance and functionality.

A. Exfoliation

B. Nail soaks

C. Gel manicures

D. None of the above

8. Repeated exposure to __ may be a cause of koilonychia.

A. Skin irritants

B. Water

C. Oil

D. Both A and B

9. Koilonychia is sometimes a normal nail variant in infants, but it usually corrects itself within the first few years of life.

A. True

B. False

10. Which of the following is/are typically used to diagnose koilonychia?

A. Physical examination

B. Nail clipping

C. Nail biopsy

D. Both A and B

Answers to July/August 2022 test: 1) A 2) D 3) A 4) C 5) B 6) D 7) C 8) D 9) A 10) D

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