CPSGT Practice Test 2 - Questions With Complete
Solutions
An alternating EEG pattern seen during quiet sleep in a newborn infant,
consisting of both highand low-voltage activity is termed
a. active sleep.
b. trace alternant.
c. sawtooth waves.
d. slow-wave sleep Right Ans - B: Trace alternant is the NREM sleep for
infants that diminishes and becomes nonexistent between 3-6 weeks of age in
healthy infants. This pattern is found in an infant's slow-wave sleep and after
the first month of life; it is gradually replaced with sleep spindles.
Electrical safety requires all of the following actions from a technician EXCEPT
a. checking the conditions of wires to assure none are frayed or damaged.
b. the application of a ground placed with the pulse oximetry probe. c. the
application of a ground lead wire placed on the head for the PSG.
d. keeping liquid away from all electrical components Right Ans - B: the
application of a ground placed with the pulse oximetry probe. Pulse oximetry
devices are very low-voltage, passive electrical devices that do not require a
ground to avoid patient electrocution. Pulse oximetry is a direct current
electrical device. Frayed and exposed wires, improperly grounded surface
electrodes, as well as wet equipment can electrocute a patient.
What physiological effects does CPAP have on the body?
a.
b. Improves pulmonary function.
c. Increases blood-gas exchange efficacy.
d. Controls respiratory rate. Right Ans - A: Splints the airway to allow
breaths to pass through without occlusion. The CPAP will not increase
pulmonary function in patients, and it will not improve the rate at which
oxygen is transferred into the heart. However, CPAP supports the structural
integrity of the airway when patients fail to hold the airway open with their
own muscles. By preventing a collapse of the airway, an apneic patient will
never have to struggle to reopen their airway while asleep.
The goals of PAP therapy include all of the following EXCEPT to
a.improve diminished lung capacity.
,b. eliminate flow limitations in the upper airway.
c. eliminate excessive daytime somnolence.
d. eliminate snoring. Right Ans - A: Improve diminished lung capacity. The
CPAP and BiPAP used in the sleep lab are non-invasive respiratory therapies
that do not have effects on patient's lung capacity or tidal volumes. The focus
of the PAP devices is to maintain the structural integrity of the airway,
especially the upper airway, to prevent collapses that result in obstructive
apneas and snoring.
To ensure REM sleep has a chance to occur during a multiple sleep latency test
nap, how long should that nap continue?
a. 25 minutes following "lights out."
b. 15 minutes following sleep onset.
c. 15 minutes following "lights out."
d. 20 minutes following sleep onset Right Ans - B: 15 minutes following
sleep onset. According to the guidelines of the American Academy of Sleep
Medicine for the operation of a multiple sleep latency test (MSLT), a MSLT nap
continues for 15 minutes following sleep onset. The first thing for which the
MSLT is looking is to see if the patient is capable of falling asleep in a 20-
minute space of time. If a patient does not fall asleep within 20 minutes, the
nap is ended. If the patient falls asleep during the 20-minute window, the nap
continues for 15 more minutes from that time to see if REM can be reached
shortly after sleep onset.
What is the standard length of time of each epoch during the scoring of stages
in a PSG?
a. 30 seconds.
b. 45 seconds.
c. 3 minutes.
d. 10 minutes. Right Ans - A: According to guidelines of the American
Academy of Sleep Medicine entitled, "The Visual Scoring of Sleep in Adults,"
scoring by 30-second epochs was retained from the Rechtshaffen and Kales
process of scoring sleep studies. The reason for the either 20- or 30-second
view of the EEG is the ability to see the vertex spike waves, complexes, and
spindles clearly enough to confirm sleep staging
Staging choices for infants include which of the following combinations?
a. Active REM sleep and quiet sleep.
b. Indeterminate sleep, wake, and quiet sleep.
, c. Active REM sleep and delta sleep.
d. Indeterminate sleep, active REM sleep, and quiet sleep. Right Ans - D:
When scoring infant sleep studies, the only available options for sleep stage
scoring are indeterminate sleep, active REM sleep, and quiet sleep. At around
6 months of age, pediatric scoring rules become more applicable as
waveforms, such as sleep spindles, become manifested. An infant's EEG is so
unlike the pediatric and adult waveforms that identifying the standard sleep
stages would be impossible.
Heated humidity can possibly remedy which of the following conditions seen
in some patients?
a. Patient complains of being cold.
b. Patient mouth-breathes because of nasal congestion.
c. Patient complains of dry throat or nose.
d. Both B and C. Right Ans - D: When scoring infant sleep studies, the only
available options for sleep stage scoring are indeterminate sleep, active REM
sleep, and quiet sleep. At around 6 months of age, pediatric scoring rules
become more applicable as waveforms, such as sleep spindles, become
manifested. An infant's EEG is so unlike the pediatric and adult waveforms
that identifying the standard sleep stages would be impossible.
Before a technician begins cardiopulmonary resuscitation on a patient, basic
life support procedures require the technician to do which of the following?
a. Contact a nurse for assistance.
b. Verify the patient's unresponsiveness.
c. Check the patient's pulse.
d. Listen for the patient's breath Right Ans - B: Verify the patient's
unresponsiveness. According to "Basic Life Support Procedures" from the
American Heart Association, health care providers should not initiate
cardiopulmonary resuscitation (CPR) on conscious and responsive patients.
That is not to say that a patient must be unresponsive for it to be an
emergency situation; however, CPR does require the patient to be
unconscious
Which of the following is an adequate chemical disinfectant used to clean
surfaces?
a. Oxirane.
b. Formaldehyde.
c. Sodium hypochlorite.
Solutions
An alternating EEG pattern seen during quiet sleep in a newborn infant,
consisting of both highand low-voltage activity is termed
a. active sleep.
b. trace alternant.
c. sawtooth waves.
d. slow-wave sleep Right Ans - B: Trace alternant is the NREM sleep for
infants that diminishes and becomes nonexistent between 3-6 weeks of age in
healthy infants. This pattern is found in an infant's slow-wave sleep and after
the first month of life; it is gradually replaced with sleep spindles.
Electrical safety requires all of the following actions from a technician EXCEPT
a. checking the conditions of wires to assure none are frayed or damaged.
b. the application of a ground placed with the pulse oximetry probe. c. the
application of a ground lead wire placed on the head for the PSG.
d. keeping liquid away from all electrical components Right Ans - B: the
application of a ground placed with the pulse oximetry probe. Pulse oximetry
devices are very low-voltage, passive electrical devices that do not require a
ground to avoid patient electrocution. Pulse oximetry is a direct current
electrical device. Frayed and exposed wires, improperly grounded surface
electrodes, as well as wet equipment can electrocute a patient.
What physiological effects does CPAP have on the body?
a.
b. Improves pulmonary function.
c. Increases blood-gas exchange efficacy.
d. Controls respiratory rate. Right Ans - A: Splints the airway to allow
breaths to pass through without occlusion. The CPAP will not increase
pulmonary function in patients, and it will not improve the rate at which
oxygen is transferred into the heart. However, CPAP supports the structural
integrity of the airway when patients fail to hold the airway open with their
own muscles. By preventing a collapse of the airway, an apneic patient will
never have to struggle to reopen their airway while asleep.
The goals of PAP therapy include all of the following EXCEPT to
a.improve diminished lung capacity.
,b. eliminate flow limitations in the upper airway.
c. eliminate excessive daytime somnolence.
d. eliminate snoring. Right Ans - A: Improve diminished lung capacity. The
CPAP and BiPAP used in the sleep lab are non-invasive respiratory therapies
that do not have effects on patient's lung capacity or tidal volumes. The focus
of the PAP devices is to maintain the structural integrity of the airway,
especially the upper airway, to prevent collapses that result in obstructive
apneas and snoring.
To ensure REM sleep has a chance to occur during a multiple sleep latency test
nap, how long should that nap continue?
a. 25 minutes following "lights out."
b. 15 minutes following sleep onset.
c. 15 minutes following "lights out."
d. 20 minutes following sleep onset Right Ans - B: 15 minutes following
sleep onset. According to the guidelines of the American Academy of Sleep
Medicine for the operation of a multiple sleep latency test (MSLT), a MSLT nap
continues for 15 minutes following sleep onset. The first thing for which the
MSLT is looking is to see if the patient is capable of falling asleep in a 20-
minute space of time. If a patient does not fall asleep within 20 minutes, the
nap is ended. If the patient falls asleep during the 20-minute window, the nap
continues for 15 more minutes from that time to see if REM can be reached
shortly after sleep onset.
What is the standard length of time of each epoch during the scoring of stages
in a PSG?
a. 30 seconds.
b. 45 seconds.
c. 3 minutes.
d. 10 minutes. Right Ans - A: According to guidelines of the American
Academy of Sleep Medicine entitled, "The Visual Scoring of Sleep in Adults,"
scoring by 30-second epochs was retained from the Rechtshaffen and Kales
process of scoring sleep studies. The reason for the either 20- or 30-second
view of the EEG is the ability to see the vertex spike waves, complexes, and
spindles clearly enough to confirm sleep staging
Staging choices for infants include which of the following combinations?
a. Active REM sleep and quiet sleep.
b. Indeterminate sleep, wake, and quiet sleep.
, c. Active REM sleep and delta sleep.
d. Indeterminate sleep, active REM sleep, and quiet sleep. Right Ans - D:
When scoring infant sleep studies, the only available options for sleep stage
scoring are indeterminate sleep, active REM sleep, and quiet sleep. At around
6 months of age, pediatric scoring rules become more applicable as
waveforms, such as sleep spindles, become manifested. An infant's EEG is so
unlike the pediatric and adult waveforms that identifying the standard sleep
stages would be impossible.
Heated humidity can possibly remedy which of the following conditions seen
in some patients?
a. Patient complains of being cold.
b. Patient mouth-breathes because of nasal congestion.
c. Patient complains of dry throat or nose.
d. Both B and C. Right Ans - D: When scoring infant sleep studies, the only
available options for sleep stage scoring are indeterminate sleep, active REM
sleep, and quiet sleep. At around 6 months of age, pediatric scoring rules
become more applicable as waveforms, such as sleep spindles, become
manifested. An infant's EEG is so unlike the pediatric and adult waveforms
that identifying the standard sleep stages would be impossible.
Before a technician begins cardiopulmonary resuscitation on a patient, basic
life support procedures require the technician to do which of the following?
a. Contact a nurse for assistance.
b. Verify the patient's unresponsiveness.
c. Check the patient's pulse.
d. Listen for the patient's breath Right Ans - B: Verify the patient's
unresponsiveness. According to "Basic Life Support Procedures" from the
American Heart Association, health care providers should not initiate
cardiopulmonary resuscitation (CPR) on conscious and responsive patients.
That is not to say that a patient must be unresponsive for it to be an
emergency situation; however, CPR does require the patient to be
unconscious
Which of the following is an adequate chemical disinfectant used to clean
surfaces?
a. Oxirane.
b. Formaldehyde.
c. Sodium hypochlorite.
