Atherosclerosis · Pathology

Which mechanism best explains acute coronary syndrome in atherosclerosis?

  1. Progressive luminal narrowing
  2. Plaque rupture with thrombosis
  3. Vasodilation of coronary arteries
  4. Chronic fibrosis without inflammation
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Correct answer: Plaque rupture with thrombosis

Acute coronary syndrome usually results from plaque rupture followed by thrombus formation. This sudden occlusion compromises myocardial blood flow.

Difficulty: Medium Question 19 of 20

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