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USMLE (United States Medical Licensing Examination) Practice Exam 06

Practice exam for USMLE (United States Medical Licensing Examination).

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Question 1 of 1000%

Time remaining120:00

Attempts allowedUnlimited

Difficulty mixE • M • H

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Question 1

MEDIUM

120:00

A 68-year-old man with a history of hypertension and smoking presents with sudden onset of tearing chest pain radiating to the back. Blood pressure is 190/110 mm Hg in the right arm and 160/100 mm Hg in the left arm. A new diastolic murmur is heard at the left sternal border. Which of the following is the most appropriate next step in management?

The presentation is consistent with acute aortic dissection; immediate heart rate and blood pressure control with an IV beta-blocker is prioritized, followed by definitive imaging (e.g., CT angiography) in a stable patient.

Select one answer

Administer intravenous labetalol and obtain emergent CT angiography of the chest

Administer intravenous nitroglycerin and schedule outpatient echocardiography

Administer sublingual nifedipine and observe for symptom resolution

Start heparin infusion and obtain serial cardiac troponins

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USMLE (United States Medical Licensing Examination) Practice Exam 06

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