Exam 14: The Digestive System

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -potent choloretic

Indicate the site at which digestion of each of the three main categories of foodstuff commences and is completed by using the answer code (options may be used more than once or not at all): -fat digestion begins

What does NOT directly enter the blood upon being absorbed from the digestive tract?

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

Bile salts are important in fat digestion and absorption.

Digestive enzymes produced by the small intestine are not secreted into the lumen but act intracellularly.

Which substance is a product from the chemical breakdown of starch?

Where is the swallowing centre located?

Parasympathetic stimulation of the salivary glands produces a large volume of watery saliva high in enzyme concentration.

What does chewing accomplish?

Humans are not capable of digesting cellulose,but some of the enteric bacteria have this capability.

MATCHING Match the control mechanism with the characteristic by using the answer code (options may be used more than once or not at all): -travel via the blood to alter digestive motility and secretion

Indicate the stimulus for the item in question by using the answer code (options may be used more than once or not at all): -most potent stimulus for inhibition of gastric motility

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -stimulate(s)the pancreatic duct cells

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

Match the gastric cell with the correct characteristic by using the answer code (options may be used more than once or not at all): -secrete gastrin

Indicate which item in the top column best describes the item in the bottom column by using the answer code: -pancreatic acinar cell

Indicate which item in the top column best describes the item in the bottom column by using the answer code: -pepsin(ogen)

What does NOT enter the duodenal lumen?

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -pancreatic enzyme that digests protein