Digestive System Review

What is gastrin?

• A type of food

• A digestive enzyme

• A hormone

• A part of the stomach

What does gastrin stimulate the production of?

• A) Bile

• B) Digestive enzymes

• C) Gastric juices

• D) Bicarbonate

Where does food become chyme?

• A) In the stomach

• B) In the duodenum

• C) In the gallbladder

• D) In the pancreas

What does CCK stimulate?

• A) The release of food from the stomach

• B) The release of bicarbonate from the pancreas

• C) The release of digestive enzymes from the pancreas and bile from the gallbladder

• D) The production of gastric juices

What is the role of secretin in digestion?

• A) It stimulates the stomach to release food into the duodenum

• B) It stimulates the pancreas to release bicarbonate to neutralize chyme

• C) It stimulates the gallbladder to release bile

• D) It stimulates the release of gastric juices

What effect do high levels of CCK and secretin have on the stomach?

• A) They increase the speed of digestion

• B) They have no effect on the stomach

• C) They alert the stomach to slow digestion by inhibiting peristalsis and secretion of gastric juices

• D) They stimulate the stomach to produce more enzymes

Which hormone stimulates the release of bile from the gallbladder?

• Gastrin

• Secretin

• Cholecystokinin (CCK)

• Insulin

What is the effect of secretin and CCK on the gallbladder?

• Stimulation

• Inhibition

• No effect

• Secretion of enzymes

Which hormone is responsible for stimulating the pancreas?

• Gastrin

• Secretin

• Cholecystokinin (CCK)

• Glucagon

What is the role of gastrin in digestion?

• It inhibits the stomach.

• It stimulates the stomach.

• It stimulates the liver.

• It inhibits the pancreas.