AASM Sleep Tech Practice Questions
1. While reviewing the scoring report, the tech no- Review the study and
ticed that the lowest SpO2 is listed at 0%. What label bad data where
should the tech do next? the pulse oximeter
1. Do nothing as the report is accurate failed
2. Review the study and label bad data where the
pulse oximeter failed
3. Reschedule the patient for a repeat study be-
cause of corrupted data
4. check the pulse oximeter before attempting to
generate the report again
2. During a multiple sleep latency test, how is sleep The first 30-second in
onset defined? which there is more
1. Three or more epochs of stage N1 or a single than 15 seconds of cu-
epoch of the other sleep stages mulative sleep
2. When spindles are seen
3. The first 30-second epoch in which there is
more than 15 seconds of cumulative sleep
4. The first 30-second epoch in which alpha be-
gins to subside
3. Where are the reference electrodes M1 and M2 In the preauricular be-
placed on the head? hind the ear
1. On the earlobes
2. In the preauricular behind the ear
3. On either side of the Cz electrode placement
4. Both "on the earlobes" and "in the preauricular
area behind the ear"
4. True statements about the process of biocalibra- Biocalibrations are
tions include all of the following EXCEPT: done at the beginning
1. The tech notes should reflect the movements of the study only
made by the patient
2. The patient should be supine and still through-
out biocalibrations
3. Biocalibrations are done at the beginning of the
study only
4. Nasal and oral breathing are done on the NPS-
Gs only
, AASM Sleep Tech Practice Questions
5. Patients who suffer from frequent sinus infec- Nasal pillow masks
tions should be advised not to wear which of the
following masks?
1. Nasal masks
2. All of these answer choices
3. Full face masks
4. Nasal-pillow masks
6. What is the recommended minimum/maximum 4-10cm apart
differential for IPAP and EPAP settings during a
BIPAP titration?
1. 6-10cm apart
2. 2-8cm apart
3. 4-6cm apart
4. 4-10cm apart
7. The physician's orders indicate the patient is in Run the study accord-
the lab for a CPAP titration study; however, the ing to the physicians
patient insists he has never had a sleep study orders without verifi-
before. All of the following solutions would be cation
acceptable to resolve this situation EXCEPT:
1. Attempt to contact the ordering physician, and
verify the medical intent
2. Call a member of the lab management team
3. Run the study according to the physician's or-
ders without verification
4. Look through the patients chart for evidence of
a previous study
8. While in the sleep lab, a patient has to do all the Remain supine for the
following EXCEPT: entire study
1. Have PSG equipment attached to the body
2. Sign a consent form
3. Remain supine for the entire study
4. Remain connected to equipment for at least 6
hours
9. An artifact that results in salt bridges is most All of these answer
likely caused by choices
, AASM Sleep Tech Practice Questions
1. Prepping too large of an area
2. Allowing tape or gauze from different locations
to make contact
3. All of these answer choices
4. Incorrect meansuring
10. Consuming alcoholic beverages before a sleep Reduced sleep laten-
study is likely to have which effect on the patients cy
sleep architecture?
1. Less waking after sleep onset
2. Reduced sleep latency
3. Decreased amount of slow wave sleep
4. Increased REM sleep
11. Which electrode site is found halfway between the Cz
inion and the nasion?
1. P4
2. Fz
3. Cz
4. Pz
12. Which impedance level is considered acceptable Less than or equal to
for EMG channels, such as limbs or chin? 10k&
1. Greater than 15k&
2. Less than or equal to 10k&
3. Less than or equal to 5k&
4. Less than or equal to 25k&
13. What condition would require a full face mask or The patient has a de-
oral mask during a CPAP study? viated septum
1. The patient is claustrophobic
2. The patient has a deviated septum
3. The patient feels congested
4. The patient is a mouth breather
14. Why is precise measurement of the head impor- All of these answer
tant of a PSG? choices are true
1. Artifacts can be caused by improper placement
of electrodes
2. Is is important for the identification of sleep
, AASM Sleep Tech Practice Questions
onset and specific sleep stages
3. Observation of important waveforms require
precise electrode placement
4. All of these answer choices are true
15. All of the following are indications that a patient The eyes mirror the
is entering stage N1 sleep from the wake stage EEG frequencies
EXCEPT:
1. The eyes mirror the EEG frequencies
2. Alpha frequencies in occipital channels have
reduced or stopped entirely
3. There is a reduction in chin EMG amplitude
4. The eyes roll gently
16. DECREASING the sensitivity would result in what Increasing the height
change in the EEG waveform? of the waveform
1. Decrease the height of the waveform
2. Attenuate the lower frequencies
3. Increase the height of the waveform
4. Eliminate EKG artifact
17. What is the RECOMMENDED decrease in SpO2 3%
needed for an event to be scored as an hypopnea?
1. 4%
2. 2%
3. 3%
4. 5%
18. What is the frequency of Delta waves? 0.5-2Hz
1. 0.5-2Hz
2. 8-13Hz
3. 4-7Hz
4. >13Hz
19. The rate at which a wave repeats itself or oscil- Frequency
lates is called the:
1. Sensitivity
2. Filter
3. Frequency
4. Amplitute
1. While reviewing the scoring report, the tech no- Review the study and
ticed that the lowest SpO2 is listed at 0%. What label bad data where
should the tech do next? the pulse oximeter
1. Do nothing as the report is accurate failed
2. Review the study and label bad data where the
pulse oximeter failed
3. Reschedule the patient for a repeat study be-
cause of corrupted data
4. check the pulse oximeter before attempting to
generate the report again
2. During a multiple sleep latency test, how is sleep The first 30-second in
onset defined? which there is more
1. Three or more epochs of stage N1 or a single than 15 seconds of cu-
epoch of the other sleep stages mulative sleep
2. When spindles are seen
3. The first 30-second epoch in which there is
more than 15 seconds of cumulative sleep
4. The first 30-second epoch in which alpha be-
gins to subside
3. Where are the reference electrodes M1 and M2 In the preauricular be-
placed on the head? hind the ear
1. On the earlobes
2. In the preauricular behind the ear
3. On either side of the Cz electrode placement
4. Both "on the earlobes" and "in the preauricular
area behind the ear"
4. True statements about the process of biocalibra- Biocalibrations are
tions include all of the following EXCEPT: done at the beginning
1. The tech notes should reflect the movements of the study only
made by the patient
2. The patient should be supine and still through-
out biocalibrations
3. Biocalibrations are done at the beginning of the
study only
4. Nasal and oral breathing are done on the NPS-
Gs only
, AASM Sleep Tech Practice Questions
5. Patients who suffer from frequent sinus infec- Nasal pillow masks
tions should be advised not to wear which of the
following masks?
1. Nasal masks
2. All of these answer choices
3. Full face masks
4. Nasal-pillow masks
6. What is the recommended minimum/maximum 4-10cm apart
differential for IPAP and EPAP settings during a
BIPAP titration?
1. 6-10cm apart
2. 2-8cm apart
3. 4-6cm apart
4. 4-10cm apart
7. The physician's orders indicate the patient is in Run the study accord-
the lab for a CPAP titration study; however, the ing to the physicians
patient insists he has never had a sleep study orders without verifi-
before. All of the following solutions would be cation
acceptable to resolve this situation EXCEPT:
1. Attempt to contact the ordering physician, and
verify the medical intent
2. Call a member of the lab management team
3. Run the study according to the physician's or-
ders without verification
4. Look through the patients chart for evidence of
a previous study
8. While in the sleep lab, a patient has to do all the Remain supine for the
following EXCEPT: entire study
1. Have PSG equipment attached to the body
2. Sign a consent form
3. Remain supine for the entire study
4. Remain connected to equipment for at least 6
hours
9. An artifact that results in salt bridges is most All of these answer
likely caused by choices
, AASM Sleep Tech Practice Questions
1. Prepping too large of an area
2. Allowing tape or gauze from different locations
to make contact
3. All of these answer choices
4. Incorrect meansuring
10. Consuming alcoholic beverages before a sleep Reduced sleep laten-
study is likely to have which effect on the patients cy
sleep architecture?
1. Less waking after sleep onset
2. Reduced sleep latency
3. Decreased amount of slow wave sleep
4. Increased REM sleep
11. Which electrode site is found halfway between the Cz
inion and the nasion?
1. P4
2. Fz
3. Cz
4. Pz
12. Which impedance level is considered acceptable Less than or equal to
for EMG channels, such as limbs or chin? 10k&
1. Greater than 15k&
2. Less than or equal to 10k&
3. Less than or equal to 5k&
4. Less than or equal to 25k&
13. What condition would require a full face mask or The patient has a de-
oral mask during a CPAP study? viated septum
1. The patient is claustrophobic
2. The patient has a deviated septum
3. The patient feels congested
4. The patient is a mouth breather
14. Why is precise measurement of the head impor- All of these answer
tant of a PSG? choices are true
1. Artifacts can be caused by improper placement
of electrodes
2. Is is important for the identification of sleep
, AASM Sleep Tech Practice Questions
onset and specific sleep stages
3. Observation of important waveforms require
precise electrode placement
4. All of these answer choices are true
15. All of the following are indications that a patient The eyes mirror the
is entering stage N1 sleep from the wake stage EEG frequencies
EXCEPT:
1. The eyes mirror the EEG frequencies
2. Alpha frequencies in occipital channels have
reduced or stopped entirely
3. There is a reduction in chin EMG amplitude
4. The eyes roll gently
16. DECREASING the sensitivity would result in what Increasing the height
change in the EEG waveform? of the waveform
1. Decrease the height of the waveform
2. Attenuate the lower frequencies
3. Increase the height of the waveform
4. Eliminate EKG artifact
17. What is the RECOMMENDED decrease in SpO2 3%
needed for an event to be scored as an hypopnea?
1. 4%
2. 2%
3. 3%
4. 5%
18. What is the frequency of Delta waves? 0.5-2Hz
1. 0.5-2Hz
2. 8-13Hz
3. 4-7Hz
4. >13Hz
19. The rate at which a wave repeats itself or oscil- Frequency
lates is called the:
1. Sensitivity
2. Filter
3. Frequency
4. Amplitute
