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6274 Pathology

A patient presents with a large wound to his right forearm that is the result of a chain saw accident. You treat his wound appropriately and follow him in your surgery clinic at routine intervals. Initially his wound is filled with granulation tissue, which is composed of proliferating fibroblasts and proliferating new blood vessels (angiogenesis). A growth factor that is capable of inducing all the steps necessary for angiogenesis is

AEpidermal growth factor (EGF)
BBasic fibroblast growth factor (FGF)
CTransforming growth factor a (TGF-a)
DTransforming growth factor b (TGF-b)
Pathology
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6277 Pathology

A 48-year-old, previously healthy woman reports having suddenly lost consciousness four times in the past 6 months. In three instances, she was unconscious for only a few minutes. After the fourth episode 1 month ago, she was unconscious for 6 hours and had weakness in her right arm and difficulty speaking. On physical examination, she is afebrile, and her blood pressure is normal. No murmurs are auscultated. She has good carotid pulses with no bruits. Which of the following cardiac lesions is most likely to be present in this woman?

ABicuspid aortic valve
BCoronary artery thrombosis
CLeft atrial myxoma
DMitral valve stenosis
Pathology
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