Fungal infection: practice question

A Dermatology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Dermatology · Fungal infection

Sample item

What bedside preparation can reveal dermatophyte hyphae?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. KOH mount

Potassium hydroxide clears keratin in a skin or nail scraping, allowing fungal hyphae to be seen under microscopy in suspected dermatophyte infection.

Option by option

  • A. Urine culture

    Urine culture does not diagnose skin dermatophytes.

  • B. ECG

    ECG evaluates cardiac electrical activity.

  • C. Audiogram

    Audiogram measures hearing.

  • D. KOH mount (correct)

    Correct: KOH mount can reveal fungal elements.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Dermatology question

What is the answer to this Dermatology question?

The best answer is D, KOH mount. Potassium hydroxide clears keratin in a skin or nail scraping, allowing fungal hyphae to be seen under microscopy in suspected dermatophyte infection.

Why is "Urine culture" not the answer?

Urine culture does not diagnose skin dermatophytes.

Why is "ECG" not the answer?

ECG evaluates cardiac electrical activity.

Why is "Audiogram" not the answer?

Audiogram measures hearing.

What concept does this question test?

It tests Fungal infection in Dermatology. The correct option holds because: Correct: KOH mount can reveal fungal elements.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Fungal infection?

Learn each condition by its primary lesion, site and signature sign. Then use the flashcards and the other Dermatology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.