23. The Digestive System

Where are bile salts reabsorbed in the small intestine?

The brush border enzymes are associated with which level of the small intestine?

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. During feeding, the small intestine exhibits motion in the migrating motor complex pattern.

Which of the following statements are true about motility in the small intestine:

I. Peristalsis will generally propel chyme towards the ileocecal valve.

II. The efficiency of chemical digestion can be increased through segmentation.

III. Peristalsis and segmentation use the same muscles, but contract in different patterns.

How does absorption of lipids differ from absorption of carbohydrates and proteins in the small intestine?

a. Lipids are absorbed into a capillary; carbohydrates and proteins are absorbed into a lacteal.

b. Lipids are not absorbed in the small intestine.

c. Lipids are absorbed into a lacteal; carbohydrates and proteins are absorbed into a capillary.

d. They are all absorbed into the same structure.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. During eating, the small intestine exhibits motion in the migrating motor complex pattern.

Match the letter of the digestive organ shown in the figure with its function.

___ segmentation occurs here

Which of the following statements is true?

The most numerous type of epithelial cells in the small intestine are the

Celiac disease is a condition where the body has an abnormal immune response to the protein gluten found in wheat and other grains. A result of this, the body’s immune response can cause damage to the villi. Based on your knowledge of the small intestine, what function would this this most directly affect?