Exam 16: The Digestive System

During the cephalic phase of gastric secretion,

The primary factor responsible for forward propulsion of chyme through the small intestine is mass movements.

Carbohydrates are absorbed as

Which statement is correct?

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Inhibit(s) gastric secretion

Which of the following correctly describes carbohydrate absorption in the digestive system?

Stimulation of the taste buds increases gastric secretions.

Protein digestion takes place in the ____________________ (what part?) of the stomach, under the influence of ____________________(what enzyme?).

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank. a.Secretes NaHCO3 b.Enzyme for protein digestion secreted by pancreas c.First to activate pepsinogen d.Enzyme for fat digestion e.Functions inside brush border f.Secretes gastrin g.Stimulates parietal and chief cells h.Enzyme for carbohydrate digestion that functions primarily in the body of the stomach i.Secreted by chief cells j.Secretes pancreatic enzymes k.Secreted by duodenal cells in response to the presence of acid l.Stimulates pancreatic acinar cells -Secretin

What prevents food from entering the nasal passages during swallowing?

Match the pancreatic digestive enzyme with the correct characteristic. a.amylase b.trypsin c.chymotrypsin d.lipase -Similar to digestive enzyme found in saliva

Sodium can be absorbed both actively and passively.

Match gastric cell with correct characteristic. a.chief cells b.parietal cells c.mucous cells d.G cells of PGA -Secrete intrinsic factor

Identify the function(s) of NaHCO₃ secreted by the pancreas?

Defecation is a spinal reflex.

The presence of hypertonic fluid in the small intestinal lumen initiates the enterogastric reflex, which inhibits stomach motility and emptying.

The enterogastric reflex promotes gastric emptying.

Proteins are primarily digested to and absorbed as

Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code. a.fat in the duodenum b.acid in the duodenum c.acid in the stomach d.protein in the stomach -Stimulates secretion of gastrin

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank. a.Secretes NaHCO3 b.Enzyme for protein digestion secreted by pancreas c.First to activate pepsinogen d.Enzyme for fat digestion e.Functions inside brush border f.Secretes gastrin g.Stimulates parietal and chief cells h.Enzyme for carbohydrate digestion that functions primarily in the body of the stomach i.Secreted by chief cells j.Secretes pancreatic enzymes k.Secreted by duodenal cells in response to the presence of acid l.Stimulates pancreatic acinar cells -Gastrin