Multiple Choice

1. If food is digested incompletely,

A. absorption and transport will be disrupted.

B. absorption will not be affected but transport will be disrupted.

C. neither absorption nor transport will be disrupted.

D. None of the above will occur.

2. Identify the correct order of events.

A. digestion, transport, absorption, elimination

B. digestion, elimination, absorption, transport

C. digestion, absorption, transport, elimination

D. digestion, absorption, elimination, transport

3. Chewing and swallowing are components of

A. absorption.

B. elimination.

C. transport.

D. digestion.

4. What is the role of a sphincter?

A. It stimulates enzyme production.

B. It regulates the directional flow of gastrointestinal contents.

C. It is a longitudinal muscle that helps segment food.

D. It prevents the movement of food into the trachea.

5. All of the following represent secretions of the digestive tract except

A. saliva.

B. bolus.

C. acid.

D. bile.

6. Fred had learned all about the digestive process in his college-level biology class. He wondered about the consequences of inadequate saliva production. Which one of the following is most likely to occur if there is too little saliva?

A. Swallowing will be a problem.

B. Food will not be moistened or lubricated.

C. It will not be possible to taste foods.

D. All of the above are likely to occur.

7. Where are the salivary glands located?

A. in the abdominal cavity

B. underneath and behind the tongue

C. below the pharynx

D. near the pancreas

8. When the epiglottis does not function properly,

A. vomiting occurs.

B. diarrhea occurs.

C. choking occurs.

D. nothing happens.

9. Which of the following statements is true about the gallbladder?

A. It manufactures bile.

B. It secretes digestive enzymes into the stomach.

C. It is located at the pharynx.

D. It stores bile and releases it into the small intestine.

10. Which of the following statements would be true if a significant length of the small intestine was not functioning properly?

A. Digestion alone will be affected.

B. Absorption alone will be affected.

C. Digestion and absorption will be affected.

D. Neither digestion nor absorption will be affected.