Chapter 15 Respiratory System

Chapter 15: Respiratory System


MULTIPLE CHOICE

1. The upper respiratory tract includes all of the following except the
a. nose
b. trachea
c. pharynx
d. larynx
ANS: B DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory tracts

2. The lower respiratory tract includes all of the following except the
a. trachea
b. bronchi
c. larynx
d. alveoli
ANS: C DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory tracts

3. The respiratory mucosa
a. lines most of the air distribution tubes
b. includes the wall of the alveoli
c. includes the wall of the capillaries surrounding the alveoli
d. both b and c above
ANS: A DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory mucosa

4. The respiratory membrane
a. lines most of the air distribution tubes
b. is another term for the respiratory mucosa
c. lines the alveoli
d. both a and b above
ANS: D DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory mucosa

5. The mucous blanket
a. only covers the nose and throat
b. traps dust, pollen, and other contaminants
c. only covers the alveoli and bronchioles
d. both b and c above
ANS: B DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory mucosa

6. The respiratory mucosa helps protect the respiratory system by
a. trapping bacteria
b. moving contaminated mucus towards the pharynx

, c. having ciliated epithelium beat in only one direction
d. all of the above
ANS: D DIF: Memorization REF: p. 343
OBJ: 2 TOP: Respiratory mucosa

7. The partition that divides the nasal cavities is called the
a. nasal septum
b. external nares
c. conchae
d. none of the above
ANS: A DIF: Memorization REF: p. 344
OBJ: 2 TOP: Nose

8. All of the following are paranasal sinuses except the
a. frontal sinus
b. maxillary sinus
c. sphenoid sinus
d. mandibular sinus
ANS: D DIF: Memorization REF: p. 344
OBJ: 2 TOP: Nose

9. The paranasal sinuses
a. are lined with mucosa continuous with the nasal cavity
b. help lighten the weight of the skull bones
c. act as resonant chambers for sound
d. all of the above
ANS: D DIF: Memorization REF: p. 344
OBJ: 2 TOP: Nose

10. The lacrimal sacs drain directly into the
a. oropharynx
b. laryngopharynx
c. nasal cavity
d. larynx
ANS: C DIF: Memorization REF: p. 344
OBJ: 2 TOP: Nose

11. Which of the following tubes does not enter or exit the pharynx?
a. Larynx
b. Esophagus
c. Auditory tubes
d. All of these tubes enter or exit the pharynx
ANS: D DIF: Memorization REF: p. 344
OBJ: 2 TOP: Pharynx

12. The thyroid cartilage (Adam’s apple) is part of the
a. larynx

, b. oropharynx
c. nasopharynx
d. trachea
ANS: A DIF: Memorization REF: p. 345
OBJ: 2 TOP: Larynx

13. Which of these structures is not in the larynx?
a. Vocal cords
b. Palatine tonsils
c. Glottis
d. Epiglottis
ANS: B DIF: Memorization REF: p. 345
OBJ: 2 TOP: Larynx

14. The function of the epiglottis is to
a. anchor the vocal cords
b. change the pitch of the voice
c. keep food from entering the trachea
d. both a and b above
ANS: C DIF: Memorization REF: p. 345
OBJ: 2 TOP: Larynx

15. The trachea
a. is also called the windpipe
b. contains C-shaped rings of cartilage
c. is lined by respiratory mucosa
d. all of the above
ANS: D DIF: Memorization REF: p. 346
OBJ: 2 TOP: Trachea

16. All of the following structures contain cartilage in their walls except the
a. trachea
b. bronchioles
c. primary bronchi
d. secondary bronchi
ANS: B DIF: Memorization REF: p. 347
OBJ: 2 TOP: Bronchi, bronchioles, and alveoli

17. The smallest of the air distribution tubes in the respiratory tract are the
a. secondary bronchi
b. bronchioles
c. alveolar ducts
d. tracheae
ANS: C DIF: Memorization REF: p. 348
OBJ: 2 TOP: Bronchi, bronchioles, and alveoli

18. The function of the surfactant in the lung is to help