Amyloidosis: practice question

A Pathology 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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Pathology · Amyloidosis

Sample item

What stain demonstrates amyloid with apple-green birefringence?

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

The answer and the reasoning

A. Congo red

The defining Amyloidosis relationship supports Congo red; it is the option that most directly explains the biochemical pathway or pathological process in the stem.

Option by option

  • A. Congo red (correct)

    Correct. Congo red is the appropriate conclusion from the key feature.

  • B. PAS stain

    PAS stain does not account for the central finding in this item.

  • C. Prussian blue

    Prussian blue is relevant in a different context but is not supported here.

  • D. Gram stain

    Gram stain does not match the stated amyloidosis mechanism.

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.

More Pathology questions

Questions about this Pathology question

What is the answer to this Pathology question?

The best answer is A, Congo red. The defining Amyloidosis relationship supports Congo red; it is the option that most directly explains the biochemical pathway or pathological process in the stem.

Why is "PAS stain" not the answer?

PAS stain does not account for the central finding in this item.

Why is "Prussian blue" not the answer?

Prussian blue is relevant in a different context but is not supported here.

Why is "Gram stain" not the answer?

Gram stain does not match the stated amyloidosis mechanism.

What concept does this question test?

It tests Amyloidosis in Pathology. The correct option holds because: Correct. Congo red is the appropriate conclusion from the key feature.

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 Amyloidosis?

Learn each disease as a bundle: cause, key histology, markers, and the clinical hallmark. Then use the flashcards and the other Pathology 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.