Test Bank for Respiratory Care Anatomy and Physiology, 3rd Edition Beachey

Test,.Bank,.for,.Respiratory,.Care,.Anatomy,.and,.Physiol-
,.ogy,,.3rd,.Edition,,.Will,.Beachey,,.ISBN:,.9780323277167,,.IS

BN:,.9780323079945,,.ISBN:,.9780323078665,,.ISBN:
9780323183581,,.ISBN:,.9780323089142

, Chapter 1: The Airways and Alveoli
Test Bank


MULTIPLE CHOICE

1. Which of the following structures is responsible for substantially increasing the surface
area of the nasal cavity?
a. Nasal septum
b. Nares
c. Turbinates
d. Nasal fossae
ANS: C
The convoluted design of the turbinates greatly increases the surface area of the nasal
cavity.

DIF: Recall REF: 4

2. What type of epithelium covers the posterior two-thirds of the nasal mucosa?
a. Squamous
b. Squamous, nonciliated
c. Pseudostratified, ciliated columnar
d. Pseudostratified, ciliated columnar with mucus-secreting glands

ANS: D
Squamous, nonciliated epithelium lines the anterior third of the nose; pseudostratified,
ciliated columnar epithelium interspersed with many mucus-secreting glands covers the
posterior two-thirds, including the turbinates. This mucus-secreting epithelium is called
the respiratory mucosa.

DIF: Recall REF: 4

3. Which of the following are the main functions of the nose?
I. Humidification
II. Heating
III. Filtering
IV. Immunity
a. I, II
b. III, IV
c. I, II, III
d. I, II, III, IV

ANS: C
The main functions of the nose are the humidification, heating, and filtering of inspired air.

DIF: Recall REF: 4