Sleep Apnea

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Question 1
Free
Multiple Choice

All of the following are found during rapid eye movement sleep EXCEPT:

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A

the diaphragm functions normally.

B

the person is easy to awaken.

C

dreaming occurs.

D

skeletal muscles are paralyzed.

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Question 2
Free
Multiple Choice

All of the following are evaluated during a polysomnographic sleep study EXCEPT:

Choose correct answer/s
A

breath sounds.

B

chest and/or abdominal movement.

C

electro-oculogram (EOG).

D

nasal and oral air flow.

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Question 3
Free
Multiple Choice

Continuous positive airway pressure (CPAP) is useful in the management of the patient with obstructive sleep apnea because it:

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A

pushes air into and out of the lungs like a mechanical ventilator.

B

prevents airway collapse.

C

stretches the J receptors in the chest wall to stimulate breathing.

D

delivers a tidal volume breath to the patient.

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Question 4
Free
Multiple Choice

A CPAP titration polysomnogram is performed to:

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A

find the maximum CPAP level for the functional residual capacity.

B

determine the lowest possible CPAP level.

C

find the CPAP level to maintain an open airway.

D

determine the pressure needed for negative-pressure ventilation.

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Question 5
Free
Multiple Choice

First-line treatment for the management of hyperventilation-related central sleep apnea includes:

Choose correct answer/s
A

CPAP.

B

adaptive servo-ventilation (VPAP).

C

mechanical ventilation.

D

palatopharyngoplasty.

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Question 6
Multiple Choice

During a pulmonary function study, it was found that a patient has a sawtooth pattern on his flow-volume loop. What is this finding associated with?

Choose correct answer/s
A
Central sleep apnea
B
COPD
C
Obstructive sleep apnea
D
Laryngeal edema (epiglottitis)
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Question 7
Multiple Choice

Which of the following cardiac dysrhythmias is life threatening?

Choose correct answer/s
A
Atrioventricular block
B
Sinus bradycardia
C
Ventricular tachycardia
D
Premature ventricular contraction
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Question 8
Multiple Choice

The respiratory therapist is evaluating a patient for risk of obstructive sleep apnea. All of the following are risk factors for obstructive sleep apnea EXCEPT:

Choose correct answer/s
A
excess weight.
B
neck size.
C
hypertension.
D
hypoglycemia.
E
chronic nasal congestion.
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Question 9
Multiple Choice

All of the following may be an advantage of in-home portable sleep testing EXCEPT:

Choose correct answer/s
A
convenience.
B
patient acceptance.
C
can be easily performed over multiple nights.
D
decreased cost.
E
published standards for scoring or interpretation.
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Question 10
Multiple Choice

The rationale behind the use of supplemental oxygen in the treatment of sleep apnea is to:

Choose correct answer/s
A
preoxygenate the airway prior to the apneic episodes.
B
stimulate the central chemoreceptors and prevent apneic episodes.
C
increase the respiratory drive in the medulla.
D
blow off carbon dioxide in the alveolus.
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