Chapter 30: Disorders of Sleep

Chapter 30: Disorders of Sleep

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. What percent of the adult population is believed to have obstructive sleep apnea?

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?

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?
4. congestive heart failure
5. primary central nervous system lesions
6. high-altitude hypoxemia
7. obesity

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.

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?

ANS:  C

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

DIF:    Recall             REF:   p. 661            OBJ:   2