Which of the following best describes tinea unguium (yellow nail)?

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Multiple Choice

Which of the following best describes tinea unguium (yellow nail)?

Tinea unguium is a fungal infection of the nails (onychomycosis), and it typically causes nails to become thickened, hard, brittle, and yellow. The fungus disrupts normal nail formation and bleeds into the nail plate, leading to discoloration and structural changes such as brittleness and thickening. This pattern is classic for a nail fungal infection, unlike nails that would be smooth and colorless (healthy or non-infected), nails that only involve the skin of the hands, or a condition that affects internal organs.

Tinea unguium is a fungal infection of the nails (onychomycosis), and it typically causes nails to become thickened, hard, brittle, and yellow. The fungus disrupts normal nail formation and bleeds into the nail plate, leading to discoloration and structural changes such as brittleness and thickening. This pattern is classic for a nail fungal infection, unlike nails that would be smooth and colorless (healthy or non-infected), nails that only involve the skin of the hands, or a condition that affects internal organs.

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