QuestionSBA
QuestionChoice
Incorrect - Cholecystokinin stimulates the exocrine pancreas to release enzymes and stimulates the gallbladder to contract -releasing bile into the small intestine- in response to fat entering the duodenum.
10008261
b
Cholecystokinin
QuestionChoice
Incorrect - Gastric inhibitory peptide stimulates insulin release, inhibits gastric secretion, and elicits pyloric sphincter constriction. It does not stimulate the pancreas to release bicarbonate
10008263
d
Gastric Inhibitory Peptide
QuestionChoice
Incorrect - Gastrin is secreted by gastric glands and does not act on the pancreas. Its function is to control gastric acid secretion.
10008262
c
Gastrin
QuestionChoice
Correct - Secretin is secreted by the small intestine and stimulates the pancreas to secrete bicarbonate ions and the liver to secrete bile. It also elicits pyloric sphincter constriction.
10008260
a
Secretin
QuestionChoice
Incorrect - Glucagon is secreted from alpha cells in the islets of Langerhans, in response to drops in blood glucose concentration. It does not stimulate the pancreas to release bicarbonate
10008264
e
Glucagon
Concept
Chapter
2693
4657
Pancreatic Bicarbonate Production
Topic
149
Gastro-intestinal physiology
14199
A 45-year-old woman presents to A&E with epigastric pain radiating through to her back. She reports nausea, but has not vomited. On examination, she does not appear jaundiced but has a temperature of 38.1 degrees Celsius. It is suspected she has gallstone pancreatitis.

Which of the following hormones directly stimulates the pancreas to secrete bicarbonate ions?
a