Exam 40: Digestion and Absorption

The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called:

Which of the following is not a property of enzymes?

Most enzymes are able to work on more than one substance.

During deglutition, the tongue closes off the nasopharynx.

Hydrolysis refers to:

The disaccharide lactose is made up of which two saccharide units?

Vasoactive intestinal peptide inhibits the production of intestinal juice.

One of the functions of cholecystokinin is to enhance the influence of gastrin on gastric parietal cells.

An end product of the action of the enzyme phospholipase is:

Most digestive enzymes are synthesized and secreted as inactive proenzymes.

The last stage of deglutition is the pharyngeal stage.

The major site for the absorption of the end products of digestion is the:

The hormone that stimulates the gallbladder to release bile is:

Enzymes can be named based on the substance on which they act.

Match each phase of gastric secretion with its corresponding statement or definition. -Phase that responds to taste, smell, thoughts of food, and sensations of chewing and swallowing

Blood in the hepatic portal system is much more likely to reflect the amount of glucose and amino acid absorbed than is the blood in the inferior vena cava.

Match each digestive hormone with its action. -Inhibits gastric secretion and motility

What are the functions of mechanical digestion?

Enzymes are unique in that they can function optimally within a wide range of pH.

The three stages of deglutition are the oral stage, the laryngeal stage, and the esophageal stage.