Exam 24: The Digestive System

The esophagus has several variations from the standard plan of the GI tract. These include

The stomach is different from other digestive organs in that it

Which reflex is stimulated by stretch receptors in the stomach to increase motility and secretions along the small intestines?

Contraction of the ________ alters the shape of the intestinal lumen and moves epithelial pleats and folds.

Functions of the stomach include all of the following except

Submucosal glands that secrete mucus are characteristic of the

Put the following layers of the digestive tract wall in order from the lumen to the deepest layer. 1) lamina propria 2) muscularis externa 3) submucosa 4) digestive (mucous) epithelium 5) serosa 6) muscularis mucosae

Which of these digestive structures is not necessary for life?

Which organ is responsible for dehydration and compaction of indigestible materials?

Hillary could not suckle milk properly due to the inability to protrude her tongue. The physician diagnosedher with

A structure that helps prevent food from entering the pharynx prematurely is the

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: -Contraction of the muscle layer labeled "9" causes the digestive tract to

The middle segment of the small intestine is the

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: -Which of the following is not true of the structure labeled "5"?

The mesocolon is

The region of the stomach that empties into the duodenum is the

Chemical protein digestion begins in the

The oral mucosa in much of the oral cavity such as the roof of the mouth and the surface of the tongue is comprised of ________ epithelium.

Which of the following is not a pharyngeal muscle involved in swallowing?

Functions of the large intestine include