Question

select the medical term that means malformation of the nails in which the outer surface is concave or scooped out like the bowl of a spoon. clubbing onychocryptosis paronychia koilonychia 2 attempts remaining confirm selection

Explanation:

To solve this, we analyze each medical term:

• Clubbing: Refers to the thickening and widening of nails, not concave.
• Onychocryptosis: Is an ingrown nail, not related to concave nails.
• Paronychia: Is an infection around the nail, not a nail malformation with concavity.
• Koilonychia: Defined as the malformation of nails with a concave (spoon - shaped) outer surface.

Answer:

D. koilonychia