23. Digestive System

Which of the following is/are absorbed in the small intestine by the Na+/glucose cotransporter?

a. Glucose

b. Galactose

c. Fructose

d. Both a and b are correct.

e. All of the above are correct.

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.

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.

What are the three folds of the small intestine called? What is their purpose?