Exam 40: Digestion and Absorption

The process of swallowing is known as:

The involuntary part of swallowing is regulated by the deglutition center of the medulla.

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

Vasoactive intestinal peptide inhibits the production of intestinal juice.

Which of the following works with gastric inhibitory peptide to inhibit gastric peristalsis?

The hormone vasoactive intestinal peptide is released when hydrochloric acid and digested food products are in the small intestine.

Paracellular absorption requires the expenditure of cellular energy.

Elimination of gray-colored feces is an indication of abnormal bile secretion.

Intestinal motility includes both peristaltic contractions and segmentation.

Because trypsin works in the small intestine, its optimal pH must be less than that of pepsin, which works in the stomach.

After leaving the stomach, chyme normally takes about 5 hours to pass all the way through the small intestine.

After the absorption of a large meal, high levels of chylomicrons would be found in the:

The purpose of peristalsis is to:

When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes.

Bilirubin is found in bile and assists in micelle formation, which assists in the digestion of fats.

Pancreatic juice contains all of the following substances except:

Chylomicrons contain almost all monoglycerides.

Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food?

To propel food from the pharynx into the esophagus, three openings must be blocked.

Chemical digestion can be defined as all of the changes in chemical composition that food undergoes as it travels through the digestive tract.