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EE Chapter 53 Coronary Artery Diseases Q&A (1 OF 80) Sample Questions

1. A 57-year-old man complained of dizziness and palpitations shortly after taking a tablet of his prescribed medication. The man was recently diagnosed with variant angina (Prinzmetal’s angina) for which he had started an appropriate therapy 4 days earlier. Which of the following actions most likely caused the patient’s symptoms?

A. Coronary vasodilation
B. Decreased total peripheral resistance
C. Increased venous return to the heart
D. Decreased myocardial contractility
E. Coronary steal phenomenon

Answer

Ans: B

Tips: The CLUE is patient experiencing dizziness (likely due to hypotension) and palpitation (reflex tachycardia) as symptoms happening since he started new medications, likely the medication are dihydropyridine type of Calcium channel blockers so it means these medications lower total peripheral resistance.

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