Hematology: practice question

A General Medicine 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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General Medicine · Hematology

Sample item

What test measures the percentage of blood occupied by red cells?

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

The answer and the reasoning

D. Hematocrit

Hematocrit is the proportion of blood volume occupied by erythrocytes and is commonly reported with hemoglobin and red-cell indices in a full blood count.

Option by option

  • A. INR

    INR measures extrinsic-pathway anticoagulation effect.

  • B. Amylase

    Amylase is a digestive enzyme marker.

  • C. Peak flow

    Peak flow measures expiratory airflow.

  • D. Hematocrit (correct)

    Correct: hematocrit represents red-cell volume fraction.

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 General Medicine questions

Questions about this General Medicine question

What is the answer to this General Medicine question?

The best answer is D, Hematocrit. Hematocrit is the proportion of blood volume occupied by erythrocytes and is commonly reported with hemoglobin and red-cell indices in a full blood count.

Why is "INR" not the answer?

INR measures extrinsic-pathway anticoagulation effect.

Why is "Amylase" not the answer?

Amylase is a digestive enzyme marker.

Why is "Peak flow" not the answer?

Peak flow measures expiratory airflow.

What concept does this question test?

It tests Hematology in General Medicine. The correct option holds because: Correct: hematocrit represents red-cell volume fraction.

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 Hematology?

For each disease know the classic presentation, the best test, and the first-line treatment. Then use the flashcards and the other General Medicine 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.