Question 1

Sleep spindles occur at a frequency of ____ cycles/s.

Accepted Answer

A)  4 to 7 
B)  9 to 13 
C)  14 to 16 
D)  <3.5 
A)  4 to 7 
B)  9 to 13 
C)  14 to 16 
D)  <3.5 B

Question 2

Electrooculogram electrodes are in place,and eye movement is to the left.The electrooculogram recording is shown by which of the following?

Accepted Answer

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

Question 3

The age at which infants first exhibit the classic sleep stages seen in adults is ____ months.

Accepted Answer

A)  6 
B)  9 
C)  12 
D)  18 
A)  6 
B)  9 
C)  12 
D)  18 C

Question 4

Which of the following factors increase a patient's risk for obstructive sleep apnea?
1)Systemic hypertension
2)Exercising late in the day
3)Excessive coffee drinking
4)Alcohol consumption close to bedtime

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 5

What is the distinguishing feature of the electroencephalogram during sleep stages 3 and 4?

Accepted Answer

A)  Small beta waves 
B)  Large k-complexes 
C)  Sleep spindles 
D)  Large delta waves 
A)  Small beta waves 
B)  Large k-complexes 
C)  Sleep spindles 
D)  Large delta waves

Question 6

During a typical night of sleep,a normal adult sleeper cycles between non-REM sleep and REM sleep at approximately every ____ minutes.

Accepted Answer

A)  30 to 60 
B)  60 to 90 
C)  90 to 120 
D)  120 to 150 
A)  30 to 60 
B)  60 to 90 
C)  90 to 120 
D)  120 to 150

Question 7

Normally,the number of cycles of sleep stages that occur per night is ____ cycles.

Accepted Answer

A)  4 to 6 
B)  6 to 8 
C)  8 to 10 
D)  10 to 12 
A)  4 to 6 
B)  6 to 8 
C)  8 to 10 
D)  10 to 12

Question 8

Which criteria related to measurements of PETCO₂ are used to determine sleep-disordered breathing in children?

Accepted Answer

A)  PETCO₂ values of >8 mm Hg above baseline 
B)  PETCO₂ values of >12 mm Hg above baseline 
C)  PETCO₂ values of >40 mm Hg for at least 25% of total sleep time 
D)  PETCO₂ values of >45 mm Hg for at least 60% of total sleep time 
A)  PETCO₂ values of >8 mm Hg above baseline 
B)  PETCO₂ values of >12 mm Hg above baseline 
C)  PETCO₂ values of >40 mm Hg for at least 25% of total sleep time 
D)  PETCO₂ values of >45 mm Hg for at least 60% of total sleep time

Question 9

The submental electromyogram electrodes are placed in which of the following positions?
1)One on the center of the chin
2)Two along the jawline,3 cm apart
3)Two on the hyoid bone lateral to each other and 2 cm apart
4)One on either side of the chin,between the chin and hyoid bone,2 cm apart

Accepted Answer

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

Question 10

A K-complex is which of the following?

Accepted Answer

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

Question 11

When monitoring nasal airflow,what is the most common problem associated with the use of the pneumotachograph?

Accepted Answer

A)  Change in temperature of expired gas 
B)  Variability in expiratory flow rates 
C)  Requirement to reposition the probe 
D)  Recalibration of the sensor 
A)  Change in temperature of expired gas 
B)  Variability in expiratory flow rates 
C)  Requirement to reposition the probe 
D)  Recalibration of the sensor

Question 12

Which oxygen desaturation level is generally considered abnormal in children?

Accepted Answer

A)  <98% 
B)  <95% 
C)  <92% 
D)  <90% 
A)  <98% 
B)  <95% 
C)  <92% 
D)  <90%

Question 13

What is the key to recognizing obstructive sleep apnea when the results of a sleep study are analyzed?

Accepted Answer

A)  No airflow and no respiratory effort 
B)  No airflow with increasing respiratory effort 
C)  Reduced airflow with minimal respiratory effort 
D)  No airflow with no or minimal respiratory effort 
A)  No airflow and no respiratory effort 
B)  No airflow with increasing respiratory effort 
C)  Reduced airflow with minimal respiratory effort 
D)  No airflow with no or minimal respiratory effort

Question 14

Which of the following constitute the effects of normal sleep on the cardiovascular system?
1)Tachycardia during slow-wave sleep
2)Vasoconstriction during slow-wave sleep
3)Hypotension with significant phasic elevations during REM sleep
4)Slightly decreased cardiac output during non-REM and REM sleep

Accepted Answer

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

Question 15

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 16

The electrooculogram electrodes should be placed in which of the following positions?

Accepted Answer

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

Question 17

Stage 2 non-REM sleep is characterized by the presence of which of the following?
1)Relatively low-voltage,mixed-frequency waves
2)Sleep spindles
3)Delta waves
4)K-complexes

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

Which of the following is (are)potential applications of electromyography?
1)Monitoring activation of the muscles of the upper airway
2)Monitoring contractile strength of the heart
3)Monitoring activity of intercostal muscles
4)Monitoring peripheral perfusion

Accepted Answer

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

Question 20

The polysomnographic tracing of a patient with mixed apnea is shown by which of the following?

Accepted Answer

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

Sleep spindles occur at a frequency of ____ cycles/s.

Electrooculogram electrodes are in place,and eye movement is to the left.The electrooculogram recording is shown by which of the following?

The age at which infants first exhibit the classic sleep stages seen in adults is ____ months.

Which of the following factors increase a patient's risk for obstructive sleep apnea? 1)Systemic hypertension 2)Exercising late in the day 3)Excessive coffee drinking 4)Alcohol consumption close to bedtime

What is the distinguishing feature of the electroencephalogram during sleep stages 3 and 4?

During a typical night of sleep,a normal adult sleeper cycles between non-REM sleep and REM sleep at approximately every ____ minutes.

Normally,the number of cycles of sleep stages that occur per night is ____ cycles.

Which criteria related to measurements of PETCO₂ are used to determine sleep-disordered breathing in children?

The submental electromyogram electrodes are placed in which of the following positions? 1)One on the center of the chin 2)Two along the jawline,3 cm apart 3)Two on the hyoid bone lateral to each other and 2 cm apart 4)One on either side of the chin,between the chin and hyoid bone,2 cm apart

A K-complex is which of the following?

When monitoring nasal airflow,what is the most common problem associated with the use of the pneumotachograph?

Which oxygen desaturation level is generally considered abnormal in children?

What is the key to recognizing obstructive sleep apnea when the results of a sleep study are analyzed?

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

The electrooculogram electrodes should be placed in which of the following positions?

Stage 2 non-REM sleep is characterized by the presence of which of the following? 1)Relatively low-voltage,mixed-frequency waves 2)Sleep spindles 3)Delta waves 4)K-complexes

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

Which of the following is (are)potential applications of electromyography? 1)Monitoring activation of the muscles of the upper airway 2)Monitoring contractile strength of the heart 3)Monitoring activity of intercostal muscles 4)Monitoring peripheral perfusion

The polysomnographic tracing of a patient with mixed apnea is shown by which of the following?

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

Sleep spindles occur at a frequency of ____ cycles/s.

Electrooculogram electrodes are in place,and eye movement is to the left.The electrooculogram recording is shown by which of the following?

The age at which infants first exhibit the classic sleep stages seen in adults is ____ months.

Which of the following factors increase a patient's risk for obstructive sleep apnea? 1)Systemic hypertension 2)Exercising late in the day 3)Excessive coffee drinking 4)Alcohol consumption close to bedtime

What is the distinguishing feature of the electroencephalogram during sleep stages 3 and 4?

During a typical night of sleep,a normal adult sleeper cycles between non-REM sleep and REM sleep at approximately every ____ minutes.

Normally,the number of cycles of sleep stages that occur per night is ____ cycles.

Which criteria related to measurements of PETCO₂ are used to determine sleep-disordered breathing in children?

The submental electromyogram electrodes are placed in which of the following positions? 1)One on the center of the chin 2)Two along the jawline,3 cm apart 3)Two on the hyoid bone lateral to each other and 2 cm apart 4)One on either side of the chin,between the chin and hyoid bone,2 cm apart

A K-complex is which of the following?

When monitoring nasal airflow,what is the most common problem associated with the use of the pneumotachograph?

Which oxygen desaturation level is generally considered abnormal in children?

What is the key to recognizing obstructive sleep apnea when the results of a sleep study are analyzed?

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

The electrooculogram electrodes should be placed in which of the following positions?

Stage 2 non-REM sleep is characterized by the presence of which of the following? 1)Relatively low-voltage,mixed-frequency waves 2)Sleep spindles 3)Delta waves 4)K-complexes

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

Which of the following is (are)potential applications of electromyography? 1)Monitoring activation of the muscles of the upper airway 2)Monitoring contractile strength of the heart 3)Monitoring activity of intercostal muscles 4)Monitoring peripheral perfusion

The polysomnographic tracing of a patient with mixed apnea is shown by which of the following?

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