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Pathology Practice MCQs

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

#3108 Infectious Lung Disease: Pneumonia

A 64-year-old man presents with fever, chills and increasing shoness of breath. The patient appears in acute respiratory distress and complains of pleuritic chest pain. Physical examination shows crackles and decreased breath sounds over both lung fields. The patient exhibits tachypnea, with flaring of the nares. The sputum is rusty-yellow and displays numerous neutrophils and erythrocytes. The patient is appropriately treated with antibiotics, which of the following is the most likely outcome?

#3136 Endocrine

A 42-year-old woman has noted increasing fullness in her neck for the past 7 months. On physical examination, her thyroid gland is diffusely and asymmetrically enlarged and nodular. There is no lymphadenopathy. She undergoes thyroidectomy. Gross examination of the thyroid shows a multicentric thyroid neoplasm; microscopically, the neoplasm is composed of polygonal-to spindle-shaped cells forming nests and trabeculae. There is a prominent, pink hyaline stroma that stains positively with Congo red. Electron microscopy shows varying numbers of intracytoplasmic, membrane-bound, electron-dense granules. Immunohistochemical staining for which of the following antigens is most useful for the diagnosis of this neoplasm?

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