A 48-year-old woman presents with severe recurrent peptic ulcer located in the proximal jejunum. Five years previously she underwent parathyroidectomy for hypercalcemia. Her brother was previously diagnosed as having Zollinger-Ellison syndrome. To confirm the diagnosis of Zollinger-Ellison syndrome, blood should be tested for levels of which of the following?
A 48-year-old woman presents with severe recurrent peptic ulcer located in the proximal jejunum. Five years previously she underwent parathyroidectomy for hypercalcemia. Her brother was previously diagnosed as having Zollinger-Ellison syndrome. To confirm the diagnosis of Zollinger-Ellison syndrome, blood should be tested for levels of which of the following?
π‘ Explanation
A 48-year-old woman presents with severe recurrent peptic ulcer located in the proximal jejunum. Five years previously she underwent parathyroidectomy for hypercalcemia. Her brother was previously diagnosed as having Zollinger-Ellison syndrome. To confirm the diagnosis of Zollinger-Ellison syndrome, blood should be tested for levels of which of the following?
β Correct Answer: D. Gastrin
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