Exam 3: Nutrient Digestion and Absorption

Sodium-potassium pump.

What organ secretes between 1.2 and 1.6 liters of alkali-containing juice every day?

Enzyme that aids in the breakdown of disaccharides include all of the following except.

Participating in regular physical exercise has no effect in treating IBS.

Most nutrient absorption through the intestinal villi occurs by diffusion.

Filtration refers to the concentration of particles in a solution.

Fitness status represents a major factor that affects gastric emptying rate.

Form when water-insoluble monoglycerides and free fatty acids bind with bile salts.

Mineral absorption affected by:

Bile is produced in the pancreas.

Movement of water from an area of lower to higher concentration.

The liver removes the greatest portion of absorbed glucose and almost all of the absorbed fructose and galactose from the plasma.

Calcium absorption rarely exceeds __________% of amount ingested.

Protein carrier molecule that spans the cell membrane.

Finger-like structures that greatly increase intestinal surface area.

Twenty minutes of light- to moderate-intensity running results in a faster fluid gastric emptying rate than cycling.

The ring or valve of smooth muscle that regulates the one-way movement of food down the digestive tract.

Exercise-related GERD symptoms do not include.

Lingual lipase is secreted from the small intestine.

The water gradient determines the direction and magnitude of molecular movement.