Endocrinology Quiz #25: Neuroendocrine Tumors and Pheochromocytoma

1. A 45-year-old man presents with episodic headaches, palpitations, and diaphoresis. His blood pressure is recorded at 180/110 mmHg during an episode. Urinary levels of metanephrines and normetanephrines are elevated. Which of the following is the most likely diagnosis?

Question 1 of 5

2. A 55-year-old woman with a history of small intestinal neuroendocrine tumor (NET) presents with flushing, diarrhea, and wheezing. Which of the following substances is most likely responsible for her symptoms? 

Question 2 of 5

3. A 60-year-old man is diagnosed with a neuroendocrine tumor of the pancreas. Laboratory tests reveal hypoglycemia with elevated insulin and C-peptide levels. Which of the following is the most likely type of pancreatic neuroendocrine tumor? 

Question 3 of 5

4. A patient with a pheochromocytoma is scheduled for surgical resection of the tumor. Which of the following medications should be initiated first to manage this condition preoperatively?

Question 4 of 5

5. A 48-year-old woman presents with a history of recurrent kidney stones, peptic ulcers, and hypercalcemia. Imaging studies reveal a pancreatic mass. Laboratory tests show elevated serum calcium and gastrin levels. Which of the following is the most likely diagnosis? 

Question 5 of 5


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