16
Sleep and Medical Disorders
CYNTHIA MATTICE
NOTE: This chapter corresponds to Chapter 19 in Fundamentals of Sleep Technology, 2nd edition.
1. Polysomnography in patients with chronic obstructive pulmonary disease (COPD) frequently demonstrates:
A. Increased sleep efficiency
B. Reduced awakenings during the night
C. Increased total sleep time
D. Increased arousal frequency
2. Oxygen desaturation in patients with chronic obstructive pulmonary disease (COPD) is generally worse during:
A. Stage N1
B. Stage N2
C. Stage N3
D. REM
3. Which of the following disorders should be considered in a 425-pound man with obstructive sleep apnea, moderate hypoxia, and significant hypercarbia during a sleep study?
A. Obesity hypoventilation syndrome
B. Nocturnal asthma
C. Diaphragm paralysis
D. Neuromuscular disorder
4. Patients with neuromuscular disorders can develop respiratory difficulties during sleep due to:
A. Nonhypercapnic central sleep apnea
B. Hypoventilation
C. Ineffective clearing of airway secretions
D. Both B and C
5. Patients with symptomatic gastroesophageal reflux may have:
A. Reduced stage N1 sleep
B. Nocturnal asthmatic attacks
C. Frequent arousals in sleep
D. Both B and C
6. Patients with acromegaly are at increased risk for:
A. Insomnia
B. Narcolepsy
C. Restless legs syndrome
D. Obstructive and central sleep apnea
7. Fatal familial insomnia is a prion disease that shares pathophysiologic features with:
A. Multiple sclerosis
B. Myasthenia gravis
C. Alzheimer disease
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