Exam 23: The Digestive System

Figure 23.3Using Figure 23.3, match the following: -Cells of the stomach that secrete HCl are cells.

The pharyngeal- esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons.

The enzymatic breakdown of any type of food molecule is called _.

Hormones or paracrines that inhibit gastric secretion include .

Figure 23.3Using Figure 23.3, match the following: -Bacteria process undigested chyme from the small intestine.

The part of the peritoneum that covers the external surfaces of most digestive organs is the peritoneum.

A fluid secreted into the small intestine during digestion that contains cholesterol, emulsification agents, and phospholipids is .

The submucosal nerve plexus provides the major nerve supply to the GI tract wall and controls GI motility.

The ingestion of a meal high in fat content would cause which of the following to occur?

Figure 23.3Using Figure 23.3, match the following: -Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called macrophages.

Figure 23.3Using Figure 23.3, match the following: -Produces intrinsic factor.

Figure 23.2Using Figure 23.2, match the following: -Cell type specialized to secrete mucus into the lumen of the intestinal tract.

Some of the microbes that often invade other organs of the body are rarely found in the stomach. The reason for this is the presence of HCl.

Which of the following produce intrinsic factor?

Dentin anchors the tooth in place.

Paneth cells _.

A 45- year- old patient was admitted to the hospital with a diagnosis of cirrhosis of the liver. The nurse is observing him closely for the possibility of gastrointestinal bleeding. Why is this considered a possible complication?

The peritoneum is the most extensive serous membrane in the body.

Figure 23.1Using Figure 23.1, match the following: -Identify three ways the small intestine is modified to increase the surface area for digestion and absorption.

Gastrin is a digestive hormone that is responsible for the stimulation of acid secretions in the stomach. These secretions are stimulated by the presence of .