Exam 40: Digestion and Absorption

The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen.

The substances absorbed into the lymph capillaries are:

When fat combines with magnesium, it becomes indigestible.

The major final product that results from the digestion of carbohydrates is:

Salivary glands are stimulated only by olfactory and visual stimuli.

Substances that activate proenzymes are often called kinases.

Match each structure with its function, description, or the enzyme it produces. -Structure in which villi are located

Zymogenic cells secrete enzymes into the lumen of the small intestines.

Peptidase is a digestive enzyme that can function as an intracellular enzyme.

Peristalsis is a back-and-forth action that breaks apart chunks of food and mixes in digestive juices.

Match each structure with its function, description, or the enzyme it produces. -Organ in which trypsinogen is made

The first phase of deglutition or swallowing occurs in the:

The pancreatic duct, which connects the pancreas to the small intestines, does not carry the enzyme trypsin.

Pancreatic juice contains all of the following substances except:

Vasoactive intestinal peptide inhibits the production of intestinal juice.

The action of bile on fat would be an example of mechanical digestion.

Paracellular absorption requires the expenditure of cellular energy.

Chylomicrons are absorbed by the blood vessels in the villi of the small intestine.

The hydrophilic portion of lecithin is attracted to the exterior water of the micelle.

Match each of the digestive juices and enzymes with its corresponding description. -Converts maltose to glucose