Podcast
Questions and Answers
What is the main stimulus for the secretion of gastrin?
What is the main stimulus for the secretion of gastrin?
- Luminal factors in the small intestine
- Presence of fat in the stomach
- Vagal stimulation
- Increased gastric acidity (PH > 2) (correct)
Which hormone stimulates the normal growth of gastrointestinal mucosa?
Which hormone stimulates the normal growth of gastrointestinal mucosa?
- Secretin
- Vasoactive intestinal peptide (VIP)
- Cholecystokinin (CCK)
- Gastrin (correct)
What is the chemical transmitter for stimulating the secretion of gastrin?
What is the chemical transmitter for stimulating the secretion of gastrin?
- Dopamine
- Gastrin releasing peptide (correct)
- Norepinephrine
- Acetylcholine
Which hormone is responsible for the contraction of lower esophageal sphincter preventing reflux of gastric contents into the esophagus?
Which hormone is responsible for the contraction of lower esophageal sphincter preventing reflux of gastric contents into the esophagus?
In large doses, which hormone stimulates insulin and glucagon secretion?
In large doses, which hormone stimulates insulin and glucagon secretion?
What stimulates the secretion of cholecystokinin (CCK)?
What stimulates the secretion of cholecystokinin (CCK)?
Which hormone is responsible for stimulating the contraction of the gall bladder and relaxation of the sphincter of Oddi?
Which hormone is responsible for stimulating the contraction of the gall bladder and relaxation of the sphincter of Oddi?
What is the major action of vasoactive intestinal peptide (VIP) in response to products of digestion?
What is the major action of vasoactive intestinal peptide (VIP) in response to products of digestion?
Which hormone decreases the gastric emptying into the duodenum when the upper small intestine is over supplied with food products?
Which hormone decreases the gastric emptying into the duodenum when the upper small intestine is over supplied with food products?
In response to which stimuli does somatostatin inhibit gastric secretion and motility?
In response to which stimuli does somatostatin inhibit gastric secretion and motility?
