1. The process of digestion involves _____ and _____ actions.

a. thermal, chemical

b. chemical, electrical

c. mechanical, chemical

d. mechanical, thermal

2. The rhythmic contractions of the stomach and intestine that propel food along are called

a. segmentation.

b. peristalsis.

c. cardiospasm.

d. pendular movements.

3. An example of a gastric secretion is

a. intestinal lipase.

b. pancreatic amylase.

c. bile.

d. hydrochloric acid.

4. A pizza slice is being consumed by a hungry teen. The first actions of biting, chewing, and breaking up the slice into smaller particles is called

a. peristalsis.

b. segmentation.

c. pendular movements.

d. mastication.

5. A food that begins chemical digestion in the mouth is

a. chicken.

b. yogurt.

c. candy.

d. bread.

6. After ingested food is mixed and churned with gastric secretions, the semifluid mass is called

a. chyle.

b. chyme.

c. renin.

d. bolus.

7. One type of movement in the small intestine is

a. mastication.

b. segmentation.

c. kinetic propulsion.

d. expulsion.

8. Compared with the pH in the stomach, the pH in the small intestine is

a. lower.

b. higher.

c. the same.

d. neutral.

9. The enzyme that would be most important for digesting a skinless chicken breast would be

a. sucrase.

b. lipase.

c. peptidase.

d. bile.

10. A food that is high in a macronutrient broken down by trypsin is

a. bread.

b. fruit.

c. margarine.

d. chicken.