Exam 3: Nutrient Digestion and Absorption

A highly specific protein catalyst that accelerates the forward and reverse rates of chemical reactions without being consumed or changed in the reaction.

Glucose and galactose intestinal absorption.

__________ is the passive movement of molecules from an area of higher concentration to an area of lower concentration.

Bulk transport refers to absorption of intestinal glucose by a form of active transport.

A peptide hormone released from the wall of the duodenum that controls the release of enzymes into the stomach and small intestine.

Active transport does not require chemical energy.

Factor that does not affect gastric emptying rate.

The appendix has no digestive function.

Process that permits glucose passage through cell membranes.

Enzymes are unaltered by reactions in which they participate.

Esophageal sphincter help prevent the stomach contents from regurgitating back into the esophagus.

Saliva breaks down carbohydrate.

The largest amount of digestion and absorption of food nutrients occurs in the __________.

The sodium-potassium pump operates in both facilitated diffusion and bulk transport.

Percentage of digestion (and essentially all lipid digestion) takes place in the first two sections of the small intestine.

Primary function of the anus is to hold the rectum closed.

Refers to the simultaneous transport of two chemicals in the same direction.

The most common causes for dyspepsia does not include the following.

Which of the following is not a fate of amino acids in the liver?

Chronic pain in the upper abdomen without obvious physical causes.