Endocrinology Quiz #12: Appetite Regulation

1. A 42-year-old man with a body mass index (BMI) of 31 kg/m^2 is participating in a weight loss study. He reports a significant decrease in appetite and weight loss since starting the medication provided in the study. The medication is known to activate receptors in the hypothalamus that are sensitive to peripheral satiety signals. Which of the following hormones is most likely being mimicked by this medication? 

Question 1 of 5

2. A 25-year-old woman presents to the clinic with complaints of constant hunger and significant weight gain over the past year despite attempts at dieting. Laboratory tests reveal low levels of a hormone that is typically produced by the gastrointestinal tract after meals and is known to decrease appetite. Which of the following hormones is likely to be deficient in this patient? 

Question 2 of 5

3. During a study on appetite regulation, a group of researchers investigates a hormone known to increase appetite. This hormone is secreted by the stomach and levels increase before meals and decrease after eating. Which of the following hormones are the researchers most likely studying? 

Question 3 of 5

4. A patient with type 2 diabetes is prescribed a medication that not only improves glycemic control but also promotes weight loss. The medication mimics the action of a gut-derived hormone that enhances insulin secretion in a glucose-dependent manner, slows gastric emptying, and promotes satiety. Which of the following hormones does this medication most closely resemble? 

Question 4 of 5

5. A research subject participates in a study evaluating hormonal responses to fasting. After 24 hours of fasting, which of the following hormonal changes is most likely to be observed in this subject? 

Question 5 of 5


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