Neuroendocrine tumors of the gastrointestinal system 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 46-year-old woman presents to the physician due to recurrent abdominal pain. The pain is triggered by fatty foods, persists for around 3 hours after meals, and is most prominent in the right upper abdominal quadrant. In addition, she has had foul-smelling diarrhea that floats in the toilet bowl. Last month, she was diagnosed with diabetes mellitus and initiated metformin therapy. The patient does not consume alcohol, tobacco, or illicit substances. Past medical history is notable for constipation and hypertension. Temperature is 37.6°C (99.7°F), blood pressure is 147/89 mmHg, and pulse is 72/min. Cardiac, pulmonary, and abdominal examinations are unremarkable. An abdominal CT scan is performed and reveals a mass in the head of the pancreas. A biopsy is taken, and the cells stain positive for synaptophysin. Which of the following is the most likely cause of this patient’s symptoms?  

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