Coronary Artery Disease USMLE Step 1 Practice Question
A 74-year-old man with diabetes presents with neuropathic foot pain. Lower extremity radiographs reveal linear calcifications in medium-sized muscular artery walls. Vital signs: BP 158/92 mmHg, HR 88/min, RR 16/min, temp 37°C, SpO2 98%. Laboratory findings show elevated fasting glucose at 186 mg/dL. Distal pulses remain palpable bilaterally, and there is no evidence of tissue ischemia or claudication. Which of the following best explains these arterial findings?
Answer choices
- AFibromuscular dysplasia
- BMonckeberg medial calcific sclerosisCorrect answer
- CBuerger disease
- DPolyarteritis nodosa
- EAtherosclerosis
- FTakayasu arteritis
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations — plus adaptive practice that targets your weak areas — with a free MedBoardPRO account.