Question 1

The number of apneic periods observed is 15,and the number of hours slept is 5.The apnea index is:

Accepted Answer

A)  3 
B)  8 
C)  20 
D)  45 
A)  3 
B)  8 
C)  20 
D)  45

Question 2

Which of the following brain waveforms are present during wakefulness?
1)Alpha waves
2)Beta waves
3)Relatively low-voltage,mixed-frequency waves
4)Delta waves

Accepted Answer

A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1,2,and 4 
A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1,2,and 4

Question 3

Which of the following represents the polysomnographic tracing of a patient with central sleep apnea?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

During polysomnography,the patient has 15 periods of apnea and 10 episodes of hypopnea during 6 hours of sleep.What is their apnea hypopnea index?

Accepted Answer

A)  2.5 
B)  3.5 
C)  4.2 
D)  5.6 
A)  2.5 
B)  3.5 
C)  4.2 
D)  5.6

Question 5

Electrooculogram electrodes are in place,and the eyes are looking up.The electrooculogram recording is shown by which of the following?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Sleep stage 3 is distinguished from sleep stage 4 by the:

Accepted Answer

A)  Presence of bursts of theta waves 
B)  Presence of sleep spindles and k-complexes 
C)  Percentage of large delta waves present on the electroencephalogram 
D)  Percentage of relatively low-voltage, mixed-frequency waves 
A)  Presence of bursts of theta waves 
B)  Presence of sleep spindles and k-complexes 
C)  Percentage of large delta waves present on the electroencephalogram 
D)  Percentage of relatively low-voltage, mixed-frequency waves

Question 7

Which stage(s)of sleep is (are)shown in the figure?

Accepted Answer

A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep 
A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep

Question 8

A sleeper is predisposed to periods of apnea during which of the following non-REM sleep stages?
1)Stage 1
2)Stage 2
3)Stage 3
4)Stage 4

Accepted Answer

A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1 and 4 
A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1 and 4

Question 9

Which factors may augment the symptoms of patients with mild obstructive sleep apnea?
1)Excessive day-shift work
2)Sleep deprivation
3)Respiratory allergies
4)Scuba diving

Accepted Answer

A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1 and 4 
A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  1 and 4

Question 10

Which sleep stage(s)is (are)characterized normally by irregular breathing patterns with short,central periods of apnea and inhibited rib cage muscles and upper airway muscles?

Accepted Answer

A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep 
A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep

Question 11

REM sleep is identified by which of the following measurements?

Accepted Answer

A)  Electrocardiogram 
B)  Electroencephalogram 
C)  Electromyogram 
D)  Electrooculogram 
A)  Electrocardiogram 
B)  Electroencephalogram 
C)  Electromyogram 
D)  Electrooculogram

Question 12

Which of the following is a common problem among patients with central sleep apnea?

Accepted Answer

A)  Obesity 
B)  Insomnia 
C)  Depression 
D)  Hypersomnolence 
A)  Obesity 
B)  Insomnia 
C)  Depression 
D)  Hypersomnolence

Question 13

Patients who are at highest risk for developing obstructive sleep apnea include patients with which of the following?
1)Asthma
2)Nuchal obesity
3)Neuromuscular disorders
4)Nasopharyngeal narrowing

Accepted Answer

A)  1 and 3 
B)  2 and 3 
C)  2 and 4 
D)  1 and 4 
A)  1 and 3 
B)  2 and 3 
C)  2 and 4 
D)  1 and 4

Question 14

The criteria for diagnosing obstructive sleep apnea with polysomnography include which of the following?

Accepted Answer

A)  More than 2 periods of obstructive apnea, of 15 seconds' duration each, per hour 
B)  More than 5 periods of obstructive apnea, of 10 seconds' duration each, per hour 
C)  At least 5 periods of obstructive apnea, of 30 seconds' duration each, per hour 
D)  At least 10 periods of obstructive apnea, of 20 seconds' duration each, per hour 
A)  More than 2 periods of obstructive apnea, of 15 seconds' duration each, per hour 
B)  More than 5 periods of obstructive apnea, of 10 seconds' duration each, per hour 
C)  At least 5 periods of obstructive apnea, of 30 seconds' duration each, per hour 
D)  At least 10 periods of obstructive apnea, of 20 seconds' duration each, per hour

Question 15

Slow,rolling,pendulous movement of the eyes is present during which of the following sleep stages?

Accepted Answer

A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep 
A)  Stage 1 sleep 
B)  Stage 2 sleep 
C)  Stages 3 and 4 sleep 
D)  Rem sleep

Question 16

Which characteristics are associated with REM sleep?
1)Lower level tonic activity
2)High-voltage,low-frequency waves on an electroencephalogram
3)Absence of tonic activity on an electromyogram
4)Often absent responsiveness to external stimuli

Accepted Answer

A)  1 and 2 
B)  3 and 4 
C)  1,2,and 4 
D)  2,3,and 4 
A)  1 and 2 
B)  3 and 4 
C)  1,2,and 4 
D)  2,3,and 4

Question 17

A patient diagnosed with obstructive sleep apnea would have which of the following polysomnographic testing results?

Accepted Answer

A)  8 apnea periods, of 4 to 8 seconds' duration, per hour of sleep and an SpO₂ of 90% to 93% 
B)  20 apnea periods, of 5 to 9 seconds' duration, per hour of sleep, with no arousals 
C)  15 apnea periods, of 15 to 20 seconds' duration, per hour of sleep and bradycardia 
D)  5 apnea periods, of approximately 8 seconds' duration each, per hour of sleep, with snoring 
A)  8 apnea periods, of 4 to 8 seconds' duration, per hour of sleep and an SpO₂ of 90% to 93% 
B)  20 apnea periods, of 5 to 9 seconds' duration, per hour of sleep, with no arousals 
C)  15 apnea periods, of 15 to 20 seconds' duration, per hour of sleep and bradycardia 
D)  5 apnea periods, of approximately 8 seconds' duration each, per hour of sleep, with snoring

The number of apneic periods observed is 15,and the number of hours slept is 5.The apnea index is:

Which of the following brain waveforms are present during wakefulness? 1)Alpha waves 2)Beta waves 3)Relatively low-voltage,mixed-frequency waves 4)Delta waves

Which of the following represents the polysomnographic tracing of a patient with central sleep apnea?

During polysomnography,the patient has 15 periods of apnea and 10 episodes of hypopnea during 6 hours of sleep.What is their apnea hypopnea index?

Electrooculogram electrodes are in place,and the eyes are looking up.The electrooculogram recording is shown by which of the following?

Sleep stage 3 is distinguished from sleep stage 4 by the:

Which stage(s)of sleep is (are)shown in the figure?

A sleeper is predisposed to periods of apnea during which of the following non-REM sleep stages? 1)Stage 1 2)Stage 2 3)Stage 3 4)Stage 4

Which factors may augment the symptoms of patients with mild obstructive sleep apnea? 1)Excessive day-shift work 2)Sleep deprivation 3)Respiratory allergies 4)Scuba diving

Which sleep stage(s)is (are)characterized normally by irregular breathing patterns with short,central periods of apnea and inhibited rib cage muscles and upper airway muscles?

REM sleep is identified by which of the following measurements?

Which of the following is a common problem among patients with central sleep apnea?

Patients who are at highest risk for developing obstructive sleep apnea include patients with which of the following? 1)Asthma 2)Nuchal obesity 3)Neuromuscular disorders 4)Nasopharyngeal narrowing

The criteria for diagnosing obstructive sleep apnea with polysomnography include which of the following?

Slow,rolling,pendulous movement of the eyes is present during which of the following sleep stages?

Which characteristics are associated with REM sleep? 1)Lower level tonic activity 2)High-voltage,low-frequency waves on an electroencephalogram 3)Absence of tonic activity on an electromyogram 4)Often absent responsiveness to external stimuli

A patient diagnosed with obstructive sleep apnea would have which of the following polysomnographic testing results?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

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Exam 11: Sleep Diagnostics

The number of apneic periods observed is 15,and the number of hours slept is 5.The apnea index is:

Which of the following brain waveforms are present during wakefulness? 1)Alpha waves 2)Beta waves 3)Relatively low-voltage,mixed-frequency waves 4)Delta waves

Which of the following represents the polysomnographic tracing of a patient with central sleep apnea?

During polysomnography,the patient has 15 periods of apnea and 10 episodes of hypopnea during 6 hours of sleep.What is their apnea hypopnea index?

Electrooculogram electrodes are in place,and the eyes are looking up.The electrooculogram recording is shown by which of the following?

Sleep stage 3 is distinguished from sleep stage 4 by the:

Which stage(s)of sleep is (are)shown in the figure?

A sleeper is predisposed to periods of apnea during which of the following non-REM sleep stages? 1)Stage 1 2)Stage 2 3)Stage 3 4)Stage 4

Which factors may augment the symptoms of patients with mild obstructive sleep apnea? 1)Excessive day-shift work 2)Sleep deprivation 3)Respiratory allergies 4)Scuba diving

Which sleep stage(s)is (are)characterized normally by irregular breathing patterns with short,central periods of apnea and inhibited rib cage muscles and upper airway muscles?

REM sleep is identified by which of the following measurements?

Which of the following is a common problem among patients with central sleep apnea?

Patients who are at highest risk for developing obstructive sleep apnea include patients with which of the following? 1)Asthma 2)Nuchal obesity 3)Neuromuscular disorders 4)Nasopharyngeal narrowing

The criteria for diagnosing obstructive sleep apnea with polysomnography include which of the following?

Slow,rolling,pendulous movement of the eyes is present during which of the following sleep stages?

Which characteristics are associated with REM sleep? 1)Lower level tonic activity 2)High-voltage,low-frequency waves on an electroencephalogram 3)Absence of tonic activity on an electromyogram 4)Often absent responsiveness to external stimuli

A patient diagnosed with obstructive sleep apnea would have which of the following polysomnographic testing results?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters