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General Medicine - 3 Questions
What is the primary function of the gastrinoma in Zollinger Ellison syndrome?1) Producing excessive gastrin2) Inhibiting acid secretion3) Stimulating pancreatic enzyme secretion4) Promoting intestinal motility
A gastrinoma is a non-beta cell tumor that autonomously produces large amounts of gastrin, leading to hypergastrinemia and increased acid secretion in the stomach, resulting in severe peptic ulcers.
What is the first step in the activation of vitamin D3 in the body?1) Liver hydroxylation to calcidiol2) Kidney hydroxylation to calcitriol3) Skin synthesis from 7-dehydrocholesterol4) Intestinal absorption with bile salts
The initial activation of vitamin D3 begins with its synthesis from 7-dehydrocholesterol in the skin when exposed to UV light.
In a patient with chronic obstructive pulmonary disease (COPD), which of the following is NOT a common physical examination finding?1) Barrel chest2) Wheezing3) Cyanosis4) Increased anteroposterior diameter
While wheezing can occur in patients with COPD, it is not a common physical examination finding.
MCQ