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Human Body & Health

If a researcher selectively inhibited GLP-1 receptor signaling in the arcuate nucleus of the hypothalamus, which consequence follows regarding appetite regulation?

A)Enhanced insulin sensitivity results rapidly
B)Gastric emptying rate significantly decreases
C)Glucose-dependent insulin secretion increases
D)Appetite increases due to reduced satiety

💡 Explanation

GLP-1 receptor activation in the arcuate nucleus promotes satiety and reduces appetite. Therefore, inhibiting GLP-1 signaling in this brain region results in increased appetite because satiety signals are diminished, rather than other effects on insulin or gastric function.

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