Haemodynamics: Virchow triad: 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 · Haemodynamics: Virchow triad

Sample item

A patient develops deep-vein thrombosis after prolonged immobilisation in hospital. Which component of Virchow triad is most directly responsible?

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

The answer and the reasoning

D. Venous stasis

Immobility slows venous flow, allowing clotting factors to accumulate and reducing delivery of anticoagulant factors. Stasis is one of the three broad causes of thrombosis.

Option by option

  • A. Inherited thrombocytopenia

    Thrombocytopenia causes bleeding rather than typical DVT.

  • B. Endothelial activation by turbulent flow

    Turbulence is more important in arterial or cardiac thrombosis.

  • C. Systemic fibrinolysis

    Fibrinolysis would oppose clot formation.

  • D. Venous stasis (correct)

    Correct. Immobilisation is a classic cause of venous stasis.

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 Pathology question

What is the answer to this Pathology question?

The best answer is D, Venous stasis. Immobility slows venous flow, allowing clotting factors to accumulate and reducing delivery of anticoagulant factors.

Why is "Inherited thrombocytopenia" not the answer?

Thrombocytopenia causes bleeding rather than typical DVT.

Why is "Endothelial activation by turbulent flow" not the answer?

Turbulence is more important in arterial or cardiac thrombosis.

Why is "Systemic fibrinolysis" not the answer?

Fibrinolysis would oppose clot formation.

What concept does this question test?

It tests Haemodynamics: Virchow triad in Pathology. Stasis is one of the three broad causes of thrombosis.

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 Haemodynamics: Virchow triad?

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.