Chapter 16 Digestive System

Chapter 16: Digestive System


MULTIPLE CHOICE

1. Food undergoes which of the following types of processing in the body?
a. Digestion
b. Absorption
c. Metabolism
d. All of the above
ANS: D DIF: Memorization REF: pp. 369-369
OBJ: 2 TOP: Introduction

2. Which of the following processes does not occur in the digestive system exclusively?
a. Digestion
b. Absorption
c. Metabolism
d. All of the above occur in the digestive system exclusively
ANS: C DIF: Memorization REF: p. 369
OBJ: 2 TOP: Introduction

3. Which of the following is an accessory organ of the digestive system?
a. Salivary glands
b. Mouth
c. Pharynx
d. Both a and c above

ANS: A DIF: Memorization REF: p. 368
OBJ: 1 TOP: Organs of the digestive system

4. Which of the following is a main organ of the digestive system?
a. Liver
b. Stomach
c. Pancreas
d. Both b and c above
ANS: B DIF: Memorization REF: p. 368
OBJ: 1 TOP: Organs of the digestive system

5. The layer of the digestive tract that is composed of stratified and columnar epithelium is the
a. serosa
b. muscularis
c. submucosa
d. mucosa
ANS: D DIF: Memorization REF: p. 370
OBJ: 1 TOP: Wall of the digestive tract

6. The layer of the digestive tract that generates peristalsis is the
a. serosa
b. muscularis

, c. submucosa
d. mucosa

ANS: B DIF: Memorization REF: p. 370
OBJ: 1 TOP: Wall of the digestive tract

7. The outermost layer of the digestive tract is the
a. serosa
b. muscularis
c. submucosa
d. mucosa

ANS: A DIF: Memorization REF: p. 370
OBJ: 1 TOP: Wall of the digestive tract

8. The layer of the digestive tract that contains blood vessels, nerves, and connective tissue is the
a. serosa
b. muscularis
c. submucosa
d. mucosa
ANS: C DIF: Memorization REF: p. 370
OBJ: 1 TOP: Wall of the digestive tract

9. Which structure prevents food and liquid from entering the nasal cavities above the mouth?
a. Soft palate
b. Frenulum
c. Vallate papillae
d. Both a and b above
ANS: A DIF: Memorization REF: p. 370
OBJ: 2 TOP: Mouth

10. Enamel is found in the
a. root of the tooth
b. crown of the tooth
c. neck of the tooth
d. all of the above
ANS: B DIF: Memorization REF: p. 371
OBJ: 2 TOP: Typical tooth

11. Dentin is found in the
a. root of the tooth
b. crown of the tooth
c. neck of the tooth
d. all of the above
ANS: D DIF: Memorization REF: p. 371
OBJ: 2 TOP: Typical tooth

12. Lining each tooth socket is
a. a mucous membrane

, b. a simple squamous epithelium membrane
c. a periodontal membrane
d. dentin

ANS: C DIF: Memorization REF: p. 371
OBJ: 2 TOP: Typical tooth

13. The largest of the salivary glands is the
a. sublingual gland
b. parotid gland
c. submaxillary gland
d. submandibular gland
ANS: B DIF: Memorization REF: p. 373
OBJ: 2 TOP: Salivary glands

14. From which salivary gland do the ducts that open on either side of the lingual frenulum come?
a. Sublingual gland
b. Submaxillary gland
c. Submandibular gland
d. None of the above
ANS: C DIF: Memorization REF: p. 373
OBJ: 2 TOP: Salivary glands

15. Because of its location, the pharynx can be considered part of the
a. digestive system
b. musculoskeletal system
c. respiratory system
d. both a and c above
ANS: D DIF: Memorization REF: p. 373
OBJ: 2 TOP: Pharynx

16. The term tricuspids refers to these types of teeth
a. incisors
b. canines
c. premolars
d. molars

ANS: D DIF: Application REF: p. 372 OBJ: 2
TOP: Types of teeth

17. The part of the stomach to the left and above the opening of the esophagus into the stomach is
the
a. pylorus
b. fundus
c. body
d. rugae
ANS: B DIF: Memorization REF: p. 375
OBJ: 2 TOP: Stomach