Acute inflammation: vascular changes: 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 · Acute inflammation: vascular changes

Sample item

Which vascular change is responsible for early redness and heat in acute inflammation?

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

The answer and the reasoning

A. Arteriolar vasodilation

Vasodilation increases blood flow to injured tissue, producing rubor and calor. Increased vascular permeability subsequently causes protein-rich edema.

Option by option

  • A. Arteriolar vasodilation (correct)

    Correct. Arteriolar vasodilation drives hyperemia.

  • B. Venous thrombosis only

    Thrombosis reduces flow rather than causing early hyperemia.

  • C. Lymphatic obstruction

    Lymphatic obstruction causes edema but not the primary early redness and heat.

  • D. Fibrosis

    Fibrosis is a chronic repair process.

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 A, Arteriolar vasodilation. Vasodilation increases blood flow to injured tissue, producing rubor and calor.

Why is "Venous thrombosis only" not the answer?

Thrombosis reduces flow rather than causing early hyperemia.

Why is "Lymphatic obstruction" not the answer?

Lymphatic obstruction causes edema but not the primary early redness and heat.

Why is "Fibrosis" not the answer?

Fibrosis is a chronic repair process.

What concept does this question test?

It tests Acute inflammation: vascular changes in Pathology. Increased vascular permeability subsequently causes protein-rich edema.

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 Acute inflammation: vascular changes?

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.