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Pathology Practice MCQs

Browse 15,526 high-yield clinical questions in Pathology. Includes detailed explanations, options, and topic tags.

#10259 Kidney

A 12-year-old girl complains of headaches and blurred vision. She has a history of high blood pressure but is not currently taking medication. Her blood pressure is 160/95 mm Hg and pulse is 95 per minute. Funduscopic examination reveals small retinal microaneurysms and cotton-like zones of retinal edema and necrosis. She is hospitalized for further evaluation. Renal arteriography shows segmental stenoses forming multiple ridges that project into the lumen. What is the most likely cause of secondary hypertension in this young patient?

#10266 Liver & Biliary Tract

A 27-year-old man develops malaise, fatigue, and loss of appetite three weeks after a meal at the Trucker's Cafe. He notes passing dark urine. On physical examination, he has mild scleral icterus and right upper quadrant tenderness. Laboratory studies show serum AST of 62 U/L and ALT of 58 U/L. The total bilirubin concentration is 3.9 mg/dL, and the direct bilirubin concentration is 2.8 mg/dL. His symptoms abate over the next 3 weeks. On returning to the cafe, he finds that the city's health department has closed it. Which of the following serologic test results is most likely to be positive in this patient?

#10290 Respiration

A 64-year-old man who has worked in a manufacturing plant all his life complains of an 8-month history of chest discomfort, malaise, fever, night sweats, and weight loss. A chest X-ray reveals a pleural effusion and pleural mass encasing the lung. The patient subsequently dies of cardiorespiratory failure. Histologic examination of the pleural mass at autopsy shows a biphasic pattern of epithelial and sarcomatous elements. What is the most likely diagnosis?

#10292 Kidney

A 4-year-old girl presents with swelling of the legs and ankles. Physical examination reveals pitting edema of the lower extremities. Urinalysis show 2+ proteinuria. The urinary sediment contains no inflammatory cells or red blood cells. Serum levels of BUN and creatinine are normal. The patient recovers completely after a course of corticosteroids. Which of the following pathologic findings might be expected in the urine prior to treatment with corticosteroids?

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