AASM Sleep Tech Practice Questions with verified
answers
While reviewing the scoring report, the tech noticed that the lowest SpO2 is listed
at 0%. What should the tech do next?
1. Do nothing as the report is accurate
2. Review the study and label bad data where the pulse oximeter failed
3. Reschedule the patient for a repeat study because of corrupted data
4. check the pulse oximeter before attempting to generate the report again
Ans✓✓-Review the study and label bad data where the pulse oximeter failed
During a multiple sleep latency test, how is sleep onset defined?
1. Three or more epochs of stage N1 or a single epoch of the other sleep stages
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 begins to subside Ans✓✓-The first
30-second in which there is more than 15 seconds of cumulative sleep
Where are the reference electrodes M1 and M2 placed on the head?
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" Ans✓✓-In
the preauricular behind the ear
,True statements about the process of biocalibrations include all of the following
EXCEPT:
1. The tech notes should reflect the movements made by the patient
2. The patient should be supine and still throughout biocalibrations
3. Biocalibrations are done at the beginning of the study only
4. Nasal and oral breathing are done on the NPSGs only Ans✓✓-Biocalibrations
are done at the beginning of the study only
Patients who suffer from frequent sinus infections 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 Ans✓✓-Nasal pillow masks
What is the recommended minimum/maximum 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 Ans✓✓-4-10cm apart
The physician's orders indicate the patient is in the lab for a CPAP titration study;
however, the patient insists he has never had a sleep study before. All of the
following solutions would be 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 orders without verification
4. Look through the patients chart for evidence of a previous study Ans✓✓-Run
the study according to the physicians orders without verification
While in the sleep lab, a patient has to do all the following EXCEPT:
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 Ans✓✓-Remain supine for
the entire study
An artifact that results in salt bridges is most likely caused by
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 Ans✓✓-All of these answer choices
Consuming alcoholic beverages before a sleep study is likely to have which effect
on the patients sleep architecture?
1. Less waking after sleep onset
2. Reduced sleep latency
3. Decreased amount of slow wave sleep
4. Increased REM sleep Ans✓✓-Reduced sleep latency
, Which electrode site is found halfway between the inion and the nasion?
1. P4
2. Fz
3. Cz
4. Pz Ans✓✓-Cz
Which impedance level is considered acceptable for EMG channels, such as limbs
or chin?
1. Greater than 15kΩ
2. Less than or equal to 10kΩ
3. Less than or equal to 5kΩ
4. Less than or equal to 25kΩ Ans✓✓-Less than or equal to 10kΩ
What condition would require a full face mask or oral mask during a CPAP study?
1. The patient is claustrophobic
2. The patient has a deviated septum
3. The patient feels congested
4. The patient is a mouth breather Ans✓✓-The patient has a deviated septum
Why is precise measurement of the head important of a PSG?
1. Artifacts can be caused by improper placement of electrodes
2. Is is important for the identification of sleep onset and specific sleep stages
3. Observation of important waveforms require precise electrode placement
4. All of these answer choices are true Ans✓✓-All of these answer choices are
true
answers
While reviewing the scoring report, the tech noticed that the lowest SpO2 is listed
at 0%. What should the tech do next?
1. Do nothing as the report is accurate
2. Review the study and label bad data where the pulse oximeter failed
3. Reschedule the patient for a repeat study because of corrupted data
4. check the pulse oximeter before attempting to generate the report again
Ans✓✓-Review the study and label bad data where the pulse oximeter failed
During a multiple sleep latency test, how is sleep onset defined?
1. Three or more epochs of stage N1 or a single epoch of the other sleep stages
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 begins to subside Ans✓✓-The first
30-second in which there is more than 15 seconds of cumulative sleep
Where are the reference electrodes M1 and M2 placed on the head?
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" Ans✓✓-In
the preauricular behind the ear
,True statements about the process of biocalibrations include all of the following
EXCEPT:
1. The tech notes should reflect the movements made by the patient
2. The patient should be supine and still throughout biocalibrations
3. Biocalibrations are done at the beginning of the study only
4. Nasal and oral breathing are done on the NPSGs only Ans✓✓-Biocalibrations
are done at the beginning of the study only
Patients who suffer from frequent sinus infections 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 Ans✓✓-Nasal pillow masks
What is the recommended minimum/maximum 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 Ans✓✓-4-10cm apart
The physician's orders indicate the patient is in the lab for a CPAP titration study;
however, the patient insists he has never had a sleep study before. All of the
following solutions would be 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 orders without verification
4. Look through the patients chart for evidence of a previous study Ans✓✓-Run
the study according to the physicians orders without verification
While in the sleep lab, a patient has to do all the following EXCEPT:
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 Ans✓✓-Remain supine for
the entire study
An artifact that results in salt bridges is most likely caused by
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 Ans✓✓-All of these answer choices
Consuming alcoholic beverages before a sleep study is likely to have which effect
on the patients sleep architecture?
1. Less waking after sleep onset
2. Reduced sleep latency
3. Decreased amount of slow wave sleep
4. Increased REM sleep Ans✓✓-Reduced sleep latency
, Which electrode site is found halfway between the inion and the nasion?
1. P4
2. Fz
3. Cz
4. Pz Ans✓✓-Cz
Which impedance level is considered acceptable for EMG channels, such as limbs
or chin?
1. Greater than 15kΩ
2. Less than or equal to 10kΩ
3. Less than or equal to 5kΩ
4. Less than or equal to 25kΩ Ans✓✓-Less than or equal to 10kΩ
What condition would require a full face mask or oral mask during a CPAP study?
1. The patient is claustrophobic
2. The patient has a deviated septum
3. The patient feels congested
4. The patient is a mouth breather Ans✓✓-The patient has a deviated septum
Why is precise measurement of the head important of a PSG?
1. Artifacts can be caused by improper placement of electrodes
2. Is is important for the identification of sleep onset and specific sleep stages
3. Observation of important waveforms require precise electrode placement
4. All of these answer choices are true Ans✓✓-All of these answer choices are
true
