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

Which bedside test can help confirm tinea corporis?

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

The answer and the reasoning

D. Potassium hydroxide microscopy of skin scrapings

Potassium hydroxide preparation can reveal fungal hyphae in skin scrapings and supports a diagnosis of dermatophyte infection.

Option by option

  • A. Visual acuity chart

    A vision chart does not evaluate fungal skin disease.

  • B. Electrocardiogram

    ECG assesses cardiac electrical activity.

  • C. Urine dipstick

    Urine testing does not identify dermatophytes.

  • D. Potassium hydroxide microscopy of skin scrapings (correct)

    Correct: KOH microscopy can demonstrate hyphae.

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, Potassium hydroxide microscopy of skin scrapings. Potassium hydroxide preparation can reveal fungal hyphae in skin scrapings and supports a diagnosis of dermatophyte infection.

Why is "Visual acuity chart" not the answer?

A vision chart does not evaluate fungal skin disease.

Why is "Electrocardiogram" not the answer?

ECG assesses cardiac electrical activity.

Why is "Urine dipstick" not the answer?

Urine testing does not identify dermatophytes.

What concept does this question test?

It tests Fungal infection in Dermatology. The correct option holds because: Correct: KOH microscopy can demonstrate hyphae.

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.