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Pathology Practice MCQs

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

#13112 Head & Neck

A 5-year-old boy has had repeated bouts of earache for 3 years. Each time on examination, the bouts have been accompanied by a red, bulging tympanic membrane, either unilaterally or bilaterally, sometimes with a small amount of yellowish exudate. Laboratory studies have included cultures of Staphylococcus aureus, Pseudomonas aeruginosa, and Moraxella catarrhalis. The most recent examination shows that the right tympanic membrane has perforated. The boy responds to antibiotic therapy. Which of the following complications is most likely to occur as a consequence of these events?

#13115 Head & Neck

A 17-year-old girl notices a small, sensitive, gray-white area forming along the lateral border of her tongue 2 days before the end of her final examinations. On examination by the physician's assistant, the girl is afebrile. There is a shallow, ulcerated, 0.3-cm lesion with an erythematous rim. No specific therapy is given, and the lesion disappears within 2 weeks. The history shows that the girl does not use tobacco or alcohol. Which of the following is the most probable diagnosis?

#13120 Chronic Inflammation

A 16-year-old boy presents with a 24-hour history of severe abdominal pain, nausea, vomiting, and low-grade fever. The pain is initially periumbilical in location but has migrated to the right lower quadrant of the abdomen, with maximal tenderness elicited at a site one-third of the way between the crest of the ileum and the umbilicus (McBurney point). The leukocyte count is 14,000/mm3, with 74% segmented neutrophils and 12% bands. Surgery is performed. Which of the following describes the expected findings at the affected site?

#13122 Hemodynamics

A 50-year-old woman presents with fatigue and shortness of breath. Physical examination shows evidence of pulmonary edema, enlargement of the left atrium, and calcification of the mitral valve. A CT scan demonstrates a large obstructing mass in the left atrium. Before open heart surgery can be performed to remove the tumor, the patient suffers a stroke and expires. Which of the following hemodynamic disorders best explains the pathogenesis of stroke in this patient?

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