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15724 Surgery

A 25-year-old man experiences pain in the right knee while skiing, causing his knee to twist and him to fall to the ground. His knee is swollen. He cannot bear full weight or fully extend or bend his leg. There is tenderness over the medial joint line (Figure below). Emergency- room x-ray findings were normal, and the range of motion (ROM), although restricted, is stable to varus and valgus stress. Straight-leg raise is unrestricted. Which is the most likely type of injury?Superior aspect of the right tibia showing ligaments.

AAnterior cruciate ligament
BTuberosity
CTransverse genicular ligament
DMedial meniscus
Surgery
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15725 Surgery

A 55-year-old man involved in an automobile accident is unresponsive and is intubated at the scene. On arrival in the emergency department, he responds to painful stimulation. His systolic BP is 60 mm Hg, his HR is 140 bpm, his neck veins are distended, and his breath sounds are absent on the left side. Immediate management should involve which of the following?

AInsertion of a central venous line on the right side
BInsertion of an 18-gauge needle in the left second intercostal space
CPericardiocentesis
DPeritoneal lavage
Surgery
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