Angina pectoris Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 32-year-old man is brought to the emergency department due to chest discomfort that started suddenly 20 minutes ago while he was trying to fall asleep. The patient describes the pain as a “squeezing” in the center of the chest that moves to the neck and jaw; there are no changes in pain with respiration or position. The patient has not had any recent travel, sick contacts, or illnesses. Medical history is significant for a 5-pack-year smoking history, and no alcohol or illicit drugs. The patient’s temperature is 37.0°C (98.6°F), pulse is 100/min, respirations are 20/min, and blood pressure is 145/85 mmHg. The patient appears to be in distress and is diaphoretic. Electrocardiogram shows ST-segment elevation in the anterior leads. The patient is given nitroglycerin and the pain resolves within a few minutes. Which of the following findings is most likely underlying pathophysiology responsible for this patient’s presentation?

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Minimal atherosclerotic plaque and coronary artery spasm

Rupture of an atherosclerotic plaque with thrombus partially occluding the coronary artery lumen

Atherosclerotic plaque obstructing 80% of the coronary artery lumen without thrombus

Inflammation of the serosal lining membranes

Rupture of atherosclerotic plaque with thrombus fully occluding the coronary artery lumen