Gastroenterology Quiz #13: Gastrointestinal Regulatory Hormones and Secretions

1. A 42-year-old woman is diagnosed with Zollinger-Ellison syndrome. Laboratory tests reveal elevated levels of a certain hormone, leading to an increase in gastric acid secretion. Which of the following hormones is most likely elevated in this patient? 

Question 1 of 5

2. A 55-year-old man with a history of chronic pancreatitis presents with steatorrhea. He is likely deficient in a hormone that normally stimulates the secretion of a bicarbonate-rich fluid from the pancreas to neutralize gastric acid in the duodenum. Which of the following hormones is responsible for this action? 

Question 2 of 5

3. A patient undergoes a meal test that includes fats, proteins, and carbohydrates. Which of the following hormones, released in response to the fat and protein content of the meal, primarily acts to slow gastric emptying?

Question 3 of 5

4. A medical researcher is studying a hormone that increases insulin secretion in response to oral glucose load more than intravenous glucose. This effect is known as the incretin effect. Which of the following hormones is most likely being studied? 

Question 4 of 5

5. A 60-year-old man with type 2 diabetes mellitus is prescribed a medication that mimics the action of an endogenous hormone, leading to reduced gastric emptying and increased satiety. This medication most likely acts as an agonist to which of the following hormones? 

Question 5 of 5


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