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A 54-Year-Old Man Comes to the Physician for Evaluation of Exertional

question 244

Multiple Choice

A 54-year-old man comes to the physician for evaluation of exertional chest pain. He first noticed the pain a couple months ago when he was shoveling snow off his driveway and has since experienced several episodes while doing other strenuous tasks. He describes the pain as a heavy, crushing sensation and says it is relieved with rest. The patient undergoes coronary angiography and is found to have severe stenosis of the right coronary artery and left anterior descending and circumflex arteries. He is referred to a surgeon for coronary artery bypass grafting. During the procedure, a portion of his great saphenous vein is removed and grafted to one of the diseased coronary arteries to bypass its atherosclerotic narrowing. The vein used as a graft during this patient's procedure can be accessed at which of the following sites?

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Definitions:

External Benefit

A positive effect on a party who did not choose to incur that benefit, often associated with public goods or services.

Public‐spirited

Exhibiting a selfless concern for the well-being of the community and the willingness to act for the public good.

Air Pollution

The presence of substances in the atmosphere that are harmful to the health of humans and other living beings or cause damage to the climate or materials.

Medical Care

Services provided by healthcare professionals to diagnose, treat, or prevent diseases and injuries in individuals.