Cushing syndrome and Cushing disease Quiz: Ace Your Exams
Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!
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A 58-year-old man comes to the emergency department because of fatigue and a cough that is productive of blood-tinged sputum. His symptoms began four months ago. Past medical history is notable for emphysema and hypertension. He has a 40-pack-year smoking history. Physical examination reveals 4/5 strength in the bilateral upper and lower extremities. Ecchymoses and striae are noted on the abdomen. Laboratory testing reveals a fasting blood glucose of 147 mg/dL. Chest X-ray shows a mass in the perihilar region of the left lung. A 24-hour urine sample reveals an elevated cortisol level. A high-dose dexamethasone test is subsequently ordered as part of the patient’s work-up. Which of the following ACTH levels would be expected before and after the high-dose dexamethasone is administered?
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