24.3-24.5

Which of the following is NOT a function of hydrochloric acid in the stomach?

Breaking down disaccharides into monosaccharides

Which of the following is NOT produced by the gastric glands in the stomach of an adult?

Rennin. These are produced:Pepsinogen HCl Intrinsic factor

Which two factors play important parts in moving the chyme from the stomach into the small intestine?

Stomach distension and gastrin release

The bile duct and the pancreatic duct both enter the duodenum at the _____________.

duodenal papilla

The esophagus enters the abdominopelvic cavity by passing through the ________________ of the diaphragm.

esophageal hiatus

An error in swallowing is most likely detected by the __________.

larynx

Chief cells in the gastric glands secrete ________________.

pepsinogen

What is the benefit of the stomach having rugae?

Allowing the expansion of the lumen

The absorption of which vitamin would be impaired if the stomach were removed?

B12

What is the correct sequence of events in moving a bolus of food to the stomach?

Bolus is moved to oropharynx; epiglottis folds over glottis; esophageal peristalsis; opening of lower esophageal sphincter

Put the regions of the stomach in the order through which food and chyme would pass.

Cardia, fundus, body, pyloric part

The enteroendocrine cells of the intestinal glands are responsible for producing which intestinal hormones?

Cholecystokinin and secretin

Which of the following is the term for swallowing?

Deglutition

What is the benefit of the large folds of the lining of the esophagus?

Expansion for swallowing

Which of the following causes an immediate increase in the rates of glandular secretion and peristaltic activity in all segments of the small intestine?

Gastroenteric reflex

Which of the following cranial nerves is involved in both initiating the swallowing reflex as food passes by the uvula and helping to coordinate the peristalitic waves of the esophagus?

Glossopharyngeal (CN IX)

Which process is NOT involved in the secretion of hydrochloric acid by the parietal cells of the stomach?

Movement of Cl- from the intestinal lumen to the interstitial fluid. These are:Countertransport of Cl- and HCO3- Active transport of H+ and diffusion of Cl-.CO2 reacts with H2O.

Which cells secrete intrinsic factor?

Parietal cells

Which of the following digestive regions is responsible for the propulsion of materials into the esophagus?

Pharynx