Exam 16: The Digestive System

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 -Pepsin(ogen)

Which tissue layer provides for primary digestive motility?

Match hormone with action. a.gastrin b.secretin c.CCK d.glucose-dependent insulinotropic peptide e.histamine -Causes increased HCl production

Describe the defecation reflex.Include the following in your answer: rectum, external anal sphincter, mass movement, and internal anal sphincter.

The enzyme that breaks down table sugar is

The BER refers to

A(n) ____________________ is an aggregation of bile salts and lecithin in the lumen of the small intestine.

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 -Stimulate(s) pancreatic digestive enzyme secretion

The swallowing center does not initiate and coordinate secondary peristaltic waves.

Vomiting is caused by reverse peristalsis.

The presence of protein in the stomach stimulates the release of histamine, which in turn promotes HCl and pepsinogen secretion.

Inhibition of gastric secretion following a meal is accomplished by

Secretions from digestive organs include

Select the terminal portion of the colon.

Gastric mixing takes place primarily in the antrum of the stomach.

Pepsin formation in the stomach is autocatalytic.

_________ do(es) not directly enter the blood after being absorbed from the digestive tract?

Intrinsic factor is

Identify the correct statement(s) about digestive enzymes made by the small intestine.

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code . a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -Pancreatic enzyme that digests carbohydrate