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Pharmacology · Antidiabetic drugs: GLP-1 receptor agonists
Sample itemWhich effect contributes to weight loss with semaglutide?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Delayed gastric emptying and increased satiety
GLP-1 receptor agonists enhance glucose-dependent insulin secretion, suppress glucagon, slow gastric emptying, and increase satiety. Nausea is common, especially during dose escalation.
Option by option
A. Blockade of intestinal fat absorption
Orlistat blocks fat absorption, not semaglutide.
B. Direct destruction of pancreatic alpha cells
GLP-1 therapy modulates hormones; it does not destroy alpha cells.
C. Delayed gastric emptying and increased satiety (correct)
Correct. These gastrointestinal and central effects reduce energy intake.
D. Increased renal glucose reabsorption
SGLT2 inhibitors reduce rather than increase renal glucose reabsorption.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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