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): -enzyme that digests fat

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): -carbohydrate digestion begins

Bile is secreted by the liver and stored and concentrated in the gallbladder.

Which statement concerning segmentation isNOT true?

Why is the pharyngoesophageal sphincter normally closed?

Which control mechanism does NOT bring about segmentation of the terminal portion of the small intestine?

Excessive small intestinal motility can lead to constipation because there is less time for absorption to take place.

Where is the primary site of absorption in the digestive system?

Which is the most potent choleretic?

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -inhibit(s)gastric secretion

Match the hormone with the action by using the answer code: -causes increased HCl production

The only function of chewing is to break food up into smaller pieces and soften it by mixing it with saliva to facilitate swallowing.

The four basic digestive processes are ____________________,____________________,____________________,and ____________________.

The process of digestion starts as food enters the stomach.

Which statement about pancreatic enzymes is INCORRECT?

Which factor is the most potent stimulus for inhibition of gastric motility?

During the oropharyngeal phase of swallowing,how is food prevented from entering the other openings that communicate with the pharynx?

What is secreted by the chief cells of the gastric mucosa?

Symptoms associated with constipation are attributable to toxins absorbed from the retained fecal material.

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): -exerts detergent action