USMLE-Rx Step 1 Qmax Challenge #1594

Check out today’s Step 1 Qmax Question Challenge.

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A 57-year-old man has arthritis, which is treated with a cycloocygenase (COX)-2 inhibitor. He presents to the emergency department with sudden-onset shortness of breath and chest pain which radiates to his jaw and left arm.

Which of the following best explains why the patient may have been better off using aspirin for his arthritis instead of selective COX-2 inhibitors?

KEY: (+ denotes an in increase in concentration and – denotes a decrease in concentration, PGI2 = prostaglandin I2, TxA2 = thromboxane A2)

A. A
B. B
C. C
D. D
E. E

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