Cardiovascular physiology: practice question

A Physiology 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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Physiology · Cardiovascular physiology

Sample item

What factor most directly increases venous return during leg-muscle activity?

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

The answer and the reasoning

B. Skeletal muscle pump

The core Cardiovascular physiology relationship supports Skeletal muscle pump; it is the response that directly accounts for the structural location or physiological change described.

Option by option

  • A. Decreased respiration

    Decreased respiration is not consistent with the key finding in the stem.

  • B. Skeletal muscle pump (correct)

    Correct. Skeletal muscle pump is directly supported by the central clue.

  • C. Bradycardia only

    Bradycardia only does not fulfill the structural or functional role requested.

  • D. Reduced blood volume

    Reduced blood volume is associated with a different cardiovascular physiology relationship.

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 Physiology question

What is the answer to this Physiology question?

The best answer is B, Skeletal muscle pump. The core Cardiovascular physiology relationship supports Skeletal muscle pump; it is the response that directly accounts for the structural location or physiological change described.

Why is "Decreased respiration" not the answer?

Decreased respiration is not consistent with the key finding in the stem.

Why is "Bradycardia only" not the answer?

Bradycardia only does not fulfill the structural or functional role requested.

Why is "Reduced blood volume" not the answer?

Reduced blood volume is associated with a different cardiovascular physiology relationship.

What concept does this question test?

It tests Cardiovascular physiology in Physiology. The correct option holds because: Correct. Skeletal muscle pump is directly supported by the central clue.

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 Cardiovascular physiology?

For each system, sketch the key graph (pressure–volume loop, oxygen dissociation curve, nephron handling) and explain it aloud. Then use the flashcards and the other Physiology 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.