A nurse is reviewing the actions of hydrochloric acid (HCl), gastrin, intrinsic factor, cholecystokinin, and pancreatic juice in the process of digestion to a high school group of girls
What information about the process of digestion is important to share about intrinsic factor with this group? A) Stimulates the secretion of hydrochloric acid and pepsinogen
B) Stimulates the pancreas to secrete enzymes and the gallbladder to release bile
C) Produced by the parietal cells in the gastric mucosa, it is required for absorption of vitamin B12
D) Secreted by the duodenum and jejunum in response to the presence of fat in the duodenum
C
Feedback:
Intrinsic factor produced by the parietal cells in the gastric mucosa is required for absorption of vitamin B12 . Gastrin stimulates the secretion of hydrochloric acid and pepsinogen. It also weakly stimulates the pancreas to secrete enzymes and the gallbladder to release some bile. Cholecystokinin (CCK), a hormone, is secreted by the duodenum and jejunum in response to the presence of fat in the duodenum. CCK activates the gallbladder to release bile.
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