Podcast
Questions and Answers
What triggers substantial release of gastrin and activates stretch receptors in the stomach?
What triggers substantial release of gastrin and activates stretch receptors in the stomach?
- Vagal input
- Buffering of gastric acidity
- Enteric nerve endings
- Physical presence of the meal (correct)
What is the key mechanism for terminating gastric secretion after the meal moves into the small intestine?
What is the key mechanism for terminating gastric secretion after the meal moves into the small intestine?
- Activation of stretch receptors
- Buffering of gastric acidity
- Vagal input
- Release of somatostatin (correct)
What do the pancreatic juice enzymes aid in?
What do the pancreatic juice enzymes aid in?
- Major importance in digestion (correct)
- Activating stretch receptors
- Supplying energy to mitochondria
- Neutralizing gastric acidity
What is the primary stimulus for the secretion of gastric inhibitory peptide (GIP)?
What is the primary stimulus for the secretion of gastric inhibitory peptide (GIP)?
Which hormone stimulates insulin secretion when administered at blood levels comparable to those produced by oral glucose?
Which hormone stimulates insulin secretion when administered at blood levels comparable to those produced by oral glucose?
Where is somatostatin primarily secreted from?
Where is somatostatin primarily secreted from?
What is the primary stimulus for the secretion of somatostatin?
What is the primary stimulus for the secretion of somatostatin?
What is the most important action of cholecystokinin (CCK)?
What is the most important action of cholecystokinin (CCK)?
Where is cholecystokinin (CCK) secreted from?
Where is cholecystokinin (CCK) secreted from?
What effect does increased secretion of the hormone have on acid secretion?
What effect does increased secretion of the hormone have on acid secretion?
What is the primary control for salivary secretion?
What is the primary control for salivary secretion?
What is the function of saliva in aiding speech?
What is the function of saliva in aiding speech?
Why is saliva important in keeping the mouth and teeth clean?
Why is saliva important in keeping the mouth and teeth clean?
What is the most significant phase of gastric secretion?
What is the most significant phase of gastric secretion?
What role does the sympathetic nervous system play in salivary secretion?
What role does the sympathetic nervous system play in salivary secretion?
What is the relative proportion of proteinaceous and mucinous components in saliva determined by?
What is the relative proportion of proteinaceous and mucinous components in saliva determined by?
What triggers the release of food from the stomach into the duodenum?
What triggers the release of food from the stomach into the duodenum?
What happens during the cephalic phase of gastric secretion?
What happens during the cephalic phase of gastric secretion?
What is the primary function of bile acids in the body?
What is the primary function of bile acids in the body?
What is responsible for the golden yellow color of bile?
What is responsible for the golden yellow color of bile?
What is the enterohepatic circulation related to?
What is the enterohepatic circulation related to?
How are bile acids synthesized?
How are bile acids synthesized?
What triggers endocrine regulation of gastrointestinal function?
What triggers endocrine regulation of gastrointestinal function?
Which component of bile aids in alkaline electrolyte balance?
Which component of bile aids in alkaline electrolyte balance?
What is the average daily secretion of bile in milliliters (mL)?
What is the average daily secretion of bile in milliliters (mL)?
What represents the only route by which the body can dispose of cholesterol?
What represents the only route by which the body can dispose of cholesterol?
What is the principal physiologic action of gastrin?
What is the principal physiologic action of gastrin?
What is the primary determinant of gastrin secretion?
What is the primary determinant of gastrin secretion?
What is the effect of acid in the antrum on gastrin secretion?
What is the effect of acid in the antrum on gastrin secretion?
What are the principal actions of somatostatin in relation to gastrin secretion?
What are the principal actions of somatostatin in relation to gastrin secretion?
Where are G cells, responsible for producing gastrin, located?
Where are G cells, responsible for producing gastrin, located?
What is the primary physiological function of paracrine mediators that are not stable enough to persist in the bloodstream?
What is the primary physiological function of paracrine mediators that are not stable enough to persist in the bloodstream?
What comprises both sensory and secretomotor neurons in the intestinal system?
What comprises both sensory and secretomotor neurons in the intestinal system?
What is the primary function of motilin?
What is the primary function of motilin?
Which hormone is the only one to stimulate insulin secretion when administered at blood levels comparable to those produced by oral glucose?
Which hormone is the only one to stimulate insulin secretion when administered at blood levels comparable to those produced by oral glucose?
What is the primary physiological function of somatostatin?
What is the primary physiological function of somatostatin?
What is the primary stimulus for salivary secretion?
What is the primary stimulus for salivary secretion?
What is the main purpose of saliva in aiding speech?
What is the main purpose of saliva in aiding speech?
How does the sympathetic branch influence salivary secretion?
How does the sympathetic branch influence salivary secretion?
What is the role of ghrelin in the gastrointestinal system?
What is the role of ghrelin in the gastrointestinal system?
In the enteric nervous system, where is the submucous plexus located?
In the enteric nervous system, where is the submucous plexus located?
What is the primary function of the myenteric plexus in the enteric nervous system?
What is the primary function of the myenteric plexus in the enteric nervous system?
How does substance P affect gastrointestinal function?
How does substance P affect gastrointestinal function?
