A 67-year-old woman is brought to the emergency department by her husband because of a 1-hour history of severe groin pain, nausea, and vomiting. She has had a groin swelling that worsens with standing, coughing, and straining for the past 3 months. Her pulse is 120/min. Examination shows pallor; there is swelling, erythema, and tenderness to palpation of the right groin that is centered below the inguinal ligament. The most likely cause of this patient's condition is entrapment of an organ between which of the following structures?
AInferior epigastric artery and rectus sheath
BLacunar ligament and femoral vein
CMedial and median umbilical ligaments
DConjoint tendon and inguinal ligament
ELinea alba and conjoint tendon
A 17-year-old boy comes to the physician because of a 3-month history of pain in his right shoulder. He reports that he has stopped playing for his high school football team because of persistent difficulty lifting his right arm. Physical examination shows impaired active abduction of the right arm from 0 to 15 degrees. After passive abduction of the right arm to 15 degrees, the patient is able to raise his arm above his head. The dysfunctional muscle in this patient is most likely to be innervated by which of the following nerves?
ALong thoracic nerve
BSuprascapular nerve
CUpper subscapular nerve
DAccessory nerve
EAxillary nerve
A 37-year-old woman is brought to the emergency department 15 minutes after falling down a flight of stairs. On arrival, she has shortness of breath, right-sided chest pain, right upper quadrant abdominal pain, and right shoulder pain. She is otherwise healthy. She takes no medications. She appears pale. Her temperature is 37°C (98.6°F), pulse is 115/min, respirations are 20/min, and blood pressure is 85/45 mm Hg. Examination shows several ecchymoses over the right chest. There is tenderness to palpation over the right chest wall and right upper quadrant of the abdomen. Bowel sounds are normal. Cardiopulmonary examination shows no abnormalities. Neck veins are flat. Which of the following is the most likely diagnosis?
ASplenic laceration
BLiver hematoma
CPneumothorax
DDuodenal hematoma
ESmall bowel perforation
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