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A pt is recently dx with a REM d/o wishes to have another sleep study in a different lab to
confirm the dx. What would the sleep tech expect to observe that would confirm the pt dx
of a REM d/o?
a. decreased REM latency
b. decreased 1st period of REM
c. decreased REM activity
d. decreased REM percentage to total sleep - Answer: a. decreased REM latency
The AASM grants lab accreditation for a period of how many years?
a. 1
b. 3
c.5
d.7 - Answer: c.5
While performing a PSG on a pt, the ECG channel becomes a straight line. What should the
sleep tech do first?
a. call a code
b. Evaluate the pt
c. Begin CPR
d. Check the ECG electode - Answer: b. Evaluate the pt
During an evaluation of an 80 year old man for PSG, his daugther explains to the dr that her
father often becomes confused and often upset esp in the early evening. The man shows
signs of dementia. Which of the following is the most appropriate conclusion on the basis
of this information?
a. the pt has signs of Alzheimers
b. the pt has signs of delusional beliefs
c. the pt shows signs of sundowning
d. this is normal response for his age - Answer: c. the pt shows signs of sundowning
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
,While viewing an ECG from a pt, the tech notes that the T wave is upright and relatively the
same size as the P wave. How should this be interpreted?
a. Depolarization of the heart
b. Atrial contraction
c. Repolarization of the heart
d. Ventricular depolarizatio - Answer: c. Repolarization of the heart
If the distance from Fpz to Oz is 48cm, what is the distance from Pz to Oz?
a. 12.4cm
b. 11.6cm
c. 9.6cm
d. 4.8cm - Answer: c. 9.6cm
A dr orders transcutaneous monitoring during a PSG for a 34 year old female with anemia.
The tech should expect the displayed results values to be:
a. the same as the pt values
b. lower than the pt values
c. higher than the pt values
d. out of acceptable range - Answer: b. lower than the pt values
The term "vegetative organism" refers to
a. the destruction of all microorganisms
b. a resistant form of bacteria
c. growing microorganisms
d. the introduction of disease-causing microorganisms - Answer: c. growing
microorganisms
What is the recommended initial pressure for a pt receiving CPAP therapy?
a. 3cmH2O
b. 4cmH2O
c. 5cmH2O
d. 6cmH2O - Answer: b. 4cmH2O
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
, When the sensitivity of an amplifier is increased from 10uv/mm to 5uv/mm, the pen
deflection should:
a. double
b. increase by 5 times
c. decrease by half
d. decrease by 10 times - Answer: c. decrease by half
When informing a pt of his medical rights, which of the following should NOT be included?
a. Involuntary participation by the pt
b. The pts right to the information
c. Written or verbal informed consent
d. The pts right to respectful care - Answer: a. Involuntary participation by the pt
While recording an overnight sleep study, the sleep tech notes that some of the EEG
waveforms are distorted. In order to improve the appearance of the waveforms, the tech
should adjust the...
a. sampling rate
b. LFF
c. HFF
d. gain setting - Answer: a. sampling rate
What is the input voltage with a pen deflection of 18mm and a sensitivity of 5uv/mm?
a. 36uv
b. 0.90uv
c. 90uv
d. 0.090uv - Answer: c. 90uv
A female pt refuses to the fingernail polish removed from her finger for the pulse ox during a
overnight sleep study. How would this affect the displayed SpO2?
a. Normal
b. False low
c. false high
d. non-functional oximetry - Answer: c. false high
APPHIA – Crafted with Care and Precision for Academic Excellence.
3
STARTS HERE! LEARN, PRACTICE & EXCEL!
A pt is recently dx with a REM d/o wishes to have another sleep study in a different lab to
confirm the dx. What would the sleep tech expect to observe that would confirm the pt dx
of a REM d/o?
a. decreased REM latency
b. decreased 1st period of REM
c. decreased REM activity
d. decreased REM percentage to total sleep - Answer: a. decreased REM latency
The AASM grants lab accreditation for a period of how many years?
a. 1
b. 3
c.5
d.7 - Answer: c.5
While performing a PSG on a pt, the ECG channel becomes a straight line. What should the
sleep tech do first?
a. call a code
b. Evaluate the pt
c. Begin CPR
d. Check the ECG electode - Answer: b. Evaluate the pt
During an evaluation of an 80 year old man for PSG, his daugther explains to the dr that her
father often becomes confused and often upset esp in the early evening. The man shows
signs of dementia. Which of the following is the most appropriate conclusion on the basis
of this information?
a. the pt has signs of Alzheimers
b. the pt has signs of delusional beliefs
c. the pt shows signs of sundowning
d. this is normal response for his age - Answer: c. the pt shows signs of sundowning
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
,While viewing an ECG from a pt, the tech notes that the T wave is upright and relatively the
same size as the P wave. How should this be interpreted?
a. Depolarization of the heart
b. Atrial contraction
c. Repolarization of the heart
d. Ventricular depolarizatio - Answer: c. Repolarization of the heart
If the distance from Fpz to Oz is 48cm, what is the distance from Pz to Oz?
a. 12.4cm
b. 11.6cm
c. 9.6cm
d. 4.8cm - Answer: c. 9.6cm
A dr orders transcutaneous monitoring during a PSG for a 34 year old female with anemia.
The tech should expect the displayed results values to be:
a. the same as the pt values
b. lower than the pt values
c. higher than the pt values
d. out of acceptable range - Answer: b. lower than the pt values
The term "vegetative organism" refers to
a. the destruction of all microorganisms
b. a resistant form of bacteria
c. growing microorganisms
d. the introduction of disease-causing microorganisms - Answer: c. growing
microorganisms
What is the recommended initial pressure for a pt receiving CPAP therapy?
a. 3cmH2O
b. 4cmH2O
c. 5cmH2O
d. 6cmH2O - Answer: b. 4cmH2O
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
, When the sensitivity of an amplifier is increased from 10uv/mm to 5uv/mm, the pen
deflection should:
a. double
b. increase by 5 times
c. decrease by half
d. decrease by 10 times - Answer: c. decrease by half
When informing a pt of his medical rights, which of the following should NOT be included?
a. Involuntary participation by the pt
b. The pts right to the information
c. Written or verbal informed consent
d. The pts right to respectful care - Answer: a. Involuntary participation by the pt
While recording an overnight sleep study, the sleep tech notes that some of the EEG
waveforms are distorted. In order to improve the appearance of the waveforms, the tech
should adjust the...
a. sampling rate
b. LFF
c. HFF
d. gain setting - Answer: a. sampling rate
What is the input voltage with a pen deflection of 18mm and a sensitivity of 5uv/mm?
a. 36uv
b. 0.90uv
c. 90uv
d. 0.090uv - Answer: c. 90uv
A female pt refuses to the fingernail polish removed from her finger for the pulse ox during a
overnight sleep study. How would this affect the displayed SpO2?
a. Normal
b. False low
c. false high
d. non-functional oximetry - Answer: c. false high
APPHIA – Crafted with Care and Precision for Academic Excellence.
3
