Chapter 30 Disorders of Sleep

Chapter 30  Disorders of Sleep

Complete Chapter Questions And Answers
 

Sample Questions

MULTIPLE CHOICE

1. What percent of the adult population is believed to have obstructive sleep apnea?
a.
<1%
b.
2% to 4%
c.
5% to 10%
d.
unknown

ANS: B
It is estimated that approximately 2% to 4% of the adult population has OSA.

DIF: Recall REF: p. 660 OBJ: 1

2. The definition of sleep apnea uses what criteria for defining an episode of apnea?
a.
5 seconds
b.
10 seconds
c.
15 seconds
d.
20 seconds

ANS: B
Sleep apnea can be defined as repeated episodes of complete cessation of airflow for 10 seconds or longer.

DIF: Recall REF: p. 660 OBJ: 2

3. Which of the following conditions are associated with central apnea?
1. congestive heart failure
2. primary central nervous system lesions
3. high-altitude hypoxemia
4. obesity
a.
1 and 4
b.
2 and 3
c.
1, 2, and 3
d.
1, 2, 3, and 4

ANS: C
Primary central nervous system lesions, stroke, congestive heart failure, and high-altitude hypoxemia can diminish respiratory control and cause central apnea events.

DIF: Recall REF: p. 660-661 OBJ: 2

4. Central sleep apnea occurs more often than obstructive sleep apnea.
a.
True
b.
False

ANS: B
Central sleep apnea is not as common as obstructive sleep apnea.

DIF: Recall REF: p. 661 OBJ: 2

5. What term is used to describe a significant decrease in airflow during sleep but not a complete cessation of breathing?
a.
apnea
b.
minor apnea
c.
hypopnea
d.
dyspnea

ANS: C
Hypopnea is a significant decrease in airflow without complete cessation of airflow.

DIF: Recall REF: p. 661 OBJ: 2