Exam 16: The Digestive System

The major metabolic waste product eliminated in the feces is bilirubin.

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 -Stimulated primarily by the presence of protein products in the stomach

The process of digestion begins when food enters the stomach.

Bile salts are important in fat digestion and absorption.

Parasympathetic and sympathetic stimulation both increase salivary secretion, contrary to the usual antagonistic activity of these two components of the autonomic nervous system.

Chylomicrons are

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) the pancreatic duct cells

The ____________________ is a common passageway for both the digestive and respiratory systems.

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 -Known as an enterogastrone

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 -Stimulated primarily by the presence of fat (fatty acids)

Gastrin is a powerful stimulus for __________ and __________ secretion in the stomach.

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 -Salivary amylase

Haustral contractions propel the feces one-third to three-quarters the length of the colon in a few seconds.

Which statement about secretin is correct?

The ____________________ is the part of the small intestine that receives pancreatic secretions whereas the ______________ is the part that connects to the colon.

Alcohol

The function of mixing movements is to promote digestion and facilitate absorption.

The ____________________ is the layer that lines the inside surface of the digestive tract.

The intrinsic nerve plexuses

Match control mechanism with characteristic. a.autonomous smooth muscle function b.extrinsic (autonomic) nerves c.hormones d.intrinsic nerve plexuses -Responsible for establishing the rate of rhythmic contractility