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Pathology Practice MCQs

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

#2322 miscellaneous

A 39-year-old male presents with bloody diarrhea. Multiple stool examinations fail to reveal any ova or parasites. A barium examination of the patient's colon reveals a characteristic "string sign." A colonoscopy reveals the rectum and sigmoid poions of the colon to be unremarkable. A biopsy from the terminal ileum reveals numerous acute and chronic inflammatory cells within the lamina propria. Worsening of the patient's symptoms results in emergency resection of the distal small intestines. Gross examination of this resected bowel reveals deep, long mucosal fissures extending deep into the muscle wall. Several transmural fistulas are also found. What is the best diagnosis for this patient?

#2323 Pancreas

A 42-year-old obese woman (BMI =32 kg/m2) presents with severe abdominal pain that radiates to the back. There is no history of alcohol or drug abuse. The blood pressure is 90/45 mm Hg, respirations are 32 per minute, and pulse is 100 per minute. Physical examination shows abdominal tenderness, guarding, and rigidity An X-ray film of the chest shows a left pleural effusion. Laboratory studies reveal elevated serum amylase (850 U/L) and lipase (675 U/L), and hypocalcemia (7.8 mg/dL). Which of the following is the most likely diagnosis?

#2350 Infectious Disease

A 4-year-old child develops a runny nose and cough. After the cough persists for 2 weeks she exhibits paroxysms of coughing so severe she becomes cyanotic. On physical examination, her temperature is 37.4deg C. Her mouth and pharynx reveal no erythema or swelling. On auscultation of the chest, her lungs show crackles bilaterally. She has spasmodic coughing, with a series of coughs on a single breath, bringing up mucus plugs, followed by labored inspiration. The pathogenesis of her disease most likely results from disabling of which of the following?

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