Chapter 28 Anatomy of the Digestive System

Chapter 28  Anatomy of the Digestive System

TRUE/F ALSE

1. The function of the digestive system is to alter the chemical and physical composition of food so that it can be absorbed and used by body cells.

ANS: T DIF: Memorization TOP: Introduction

2. The alimentary canal has two openings to the exterior of the body.

ANS: T DIF: Memorization TOP: Organization of the Digestive System

3. The lining of the digestive system consists of three layers.

ANS: F DIF: Memorization TOP: Organization of the Digestive System

4. The pancreas is an essential organ of the digestive system.

REF: Page 862

REF: Page 862

REF: Page 862

ANS: F DIF: Memorization
REF: Page 863 (Box 28-1) TOP: Organization of the Digestive System

5. After food is digested, it enters the alimentary canal.

   ANS: F DIF: Memorization REF: Page 862 TOP: Organization of the Digestive System

6. The large intestine has a diameter of about 2.5 inches and a length of about 5 to 6 feet.

ANS: T DIF: Memorization REF: Page 877 TOP: Size of the Large Intestine

7. The walls of the stomach and the small intestine have three layers of muscle tissue.

ANS: F DIF: Memorization REF: Page 862 TOP: Organization of the Digestive System

8. The hard palate of the mouth consists of two maxillae and two palatine bones.

Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank 28A-2

ANS: T DIF: Memorization REF: Page 865 TOP: Structure of the Oral Cavity

9. The hard palate is fashioned of muscle arranged in the shape of an arch.

ANS: F DIF: Memorization REF: TOP: Structure of the Oral Cavity

Page 865

MULTIPLE CHOICE

1. The walls of the GI tract are composed of ____ layers of tissue. a. two

b. three c. four d. five

ANS: C DIF: Memorization TOP: Organization of the Digestive System

REF: Page 862

2. All of the following are classified as accessory organs of the digestive system except the: a. tongue.

b. mouth. c. liver.
d. pancreas.

ANS: B DIF: Memorization REF: Page 863 (Box 28-1)

TOP: Organization of the Digestive System

3. Which of the following organs has a mucosa layer composed of stratified squamous epithelium that resists abrasion?

1. Esophagus
2. Stomach

c. Small intestine d. Large intestine

ANS: A DIF: Memorization
TOP: Modifications of Layers of the Digestive Tract Wall

REF: Page 864

4. The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the:

a. fauces.
b. frenulum. c. uvula.
d. gingiva.

ANS: C
TOP: Structure of the Oral Cavity

DIF: Memorization

REF: Page 865

Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank 28B-2

5. The type of cell designed for absorption and secretion found throughout much of the GI tract is _____ epithelium.

1. simple columnar
2. stratified squamous

c. simple squamous d. pseudostratified

ANS: A DIF: Memorization TOP: Organization of the Digestive System

6. The hard palate consists of portions of:

1. four bones: three maxillae and one palatine.
2. two bones: one maxillae and one palatine.
3. four bones: two maxillae and two palatines.
4. two bones: two palatines.

ANS: C DIF: Memorization TOP: Structure of the Oral Cavity

7. After leaving the stomach, food enters the:

1. large intestine.
2. small intestine.
3. esophagus.
4. rectum.

ANS: B DIF: Memorization TOP: Divisions of the Small Intestine

REF: Page 864

REF: Page 865

REF: Page 875