Multiple Choice
In the context of homeostasis, what is the most appropriate intervention for a client who has developed Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following gastrointestinal hormones promotes the secretion of pancreatic juice rich in bicarbonate ions?
A
Cholecystokinin
B
Motilin
C
Secretin
D
Gastrin
Verified step by step guidance1
Understand the role of each hormone listed in the options. Cholecystokinin primarily stimulates the gallbladder to contract and release stored bile, and also stimulates the secretion of pancreatic enzymes.
Motilin is involved in regulating the migrating motor complex, which is a pattern of electromechanical activity observed in the gastrointestinal tract during fasting.
Gastrin stimulates the secretion of gastric acid by the parietal cells of the stomach and aids in gastric motility.
Secretin is a hormone that is released by the S cells of the duodenum in response to acidic chyme entering the small intestine. Its primary function is to stimulate the pancreas to secrete bicarbonate-rich pancreatic juice, which helps neutralize the acidity of the chyme.
Based on the functions of these hormones, identify Secretin as the hormone that promotes the secretion of pancreatic juice rich in bicarbonate ions.
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