Exam 23: The Digestive System

The major means of propulsion through the alimentary canal is peristalsis.

Which of these is not a component of saliva?

The salivary glands are composed of which two types of secretory cells?

Pepsinogen, a digestive enzyme, is secreted by the .

In addition to storage and mechanical breakdown of food, the stomach .

The mechanical and chemical receptors that control digestive activity are located .

Another term for swallowing is deglutition.

From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen.

Which of the following is not a factor that helps create the stomach mucosal barrier?

All the chemical and mechanical phases of digestion from the mouth through the small intestine are directed toward changing food into forms that can pass through the epithelial cells lining the mucosa into the underlying blood and lymphatic vessels.

A patient is 67 years old and has had a hiatal hernia for three years. In the last year, she has complained of worsening heartburn, especially at night. What are the characteristic symptoms of a hiatal hernia and which of these symptoms did the patient have?

Figure 23.1Using Figure 23.1, match the following: -The chief bile pigment is .

The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme.

Figure 23.1Using Figure 23.1, match the following: -Mucosa.

Figure 23.1Using Figure 23.1, match the following: -Serosa.

Figure 23.2Using Figure 23.2, match the following: -Wide lymph capillary located in the villus.

Figure 23.1Using Figure 23.1, match the following: -Area of the lamina propria.

The protective outermost layer of the esophagus is the .

The soft palate rises reflexively to open the nasopharynx when we swallow food.

Figure 23.1Using Figure 23.1, match the following: -MALT found here.