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Multiple Choice
Which pancreatic hormone promotes the conversion of glycogen to glucose?
A
Pancreatic polypeptide
B
Insulin
C
Somatostatin
D
Glucagon
Verified step by step guidance
1
Begin by identifying the primary function of each hormone listed in the options. Pancreatic polypeptide is involved in regulating pancreatic secretion activities and has no direct role in glucose metabolism.
Understand the role of insulin. Insulin is a hormone that lowers blood glucose levels by promoting the uptake of glucose into cells and stimulating the conversion of glucose into glycogen for storage, not the conversion of glycogen to glucose.
Consider the function of somatostatin. Somatostatin primarily inhibits the release of other hormones, including insulin and glucagon, and does not directly promote the conversion of glycogen to glucose.
Focus on glucagon. Glucagon is a hormone that raises blood glucose levels by promoting the conversion of glycogen stored in the liver into glucose, which is then released into the bloodstream.
Conclude that glucagon is the pancreatic hormone responsible for promoting the conversion of glycogen to glucose, as it directly stimulates glycogenolysis in the liver.