Exam 14: The Digestive System

What is the major chemical digestive activity occurring in the stomach?

Indicate the causes and effects of constipation and diarrhea.

Deglutition refers to the process of chewing.

The myenteric plexus is a nerve network located in the submucosa.

The pharyngoesophageal sphincter is normally closed to prevent esophageal secretions from entering the pharynx during breathing.

The extent of absorption of the electrolytes ____________________ and ____________________ is regulated depending on the body's needs.

What occurs during the cephalic phase of gastric digestion?

Gastric secretion occurs only when food is present in the stomach.

Pepsin formation in the stomach is autocatalytic.

____________________ cells are the resident macrophages of the liver.

Of the fluid entering the small intestine,what percentage is reabsorbed?

What is a precursor to an enzyme that functions in the stomach?

The pancreas secretes enzymes involved in the digestion of all three categories of foodstuff.

Which tissue layer provides for primary digestive motility?

A(n)____________________ is an aggregation of bile salts and lecithin.

Absorption of which of the following is linked to active sodium absorption at the basolateral border of the epithelial cell?

What is NOT a component of pancreatic juice?

The stomach mucosa is thrown into folds known as villi.

Where is digestion completed?

Match the digestive enzyme with the correct characteristic by using the answer code: -similar to digestive enzyme found in saliva