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2308 Anatomy

A 34-year-old woman is admitted to the emergency department after a car crash. Radiographic studies show marked edema and hematoma of the arm, but there are no fractures. During physical examination the patient presents with inability to abduct her arm without first establishing lateral momentum of the limb, and inability to flex the elbow and shoulder. Which of the following portions of the brachial plexus is most likely injured?

ASuperior trunk
BMiddle trunk
CInferior trunk
DLateral cord
Anatomy
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2313 Anatomy

A 35-year-old female who was brought into the emergency department for a drug overdose requires insertion of a nasogastric tube and administration of activated charcoal. What are the three sites in the esophagus where one should anticipate resistance due to compression on the organ?

AAt the aortic arch, the cricopharyngeal constriction, and the diaphragmatic constriction
BThe cardiac constriction, the cricoid cartilage constriction, and the thoracic duct
CThe pulmonary constriction, cricothyroid con striction, and the azygos arch
DThe cardiac constriction, the azygos arch, the pulmonary trunk
Anatomy
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