Questions and CORRECT Answers
During CPAP titration, signal flattering in the nasal pressure monitor Indicates: - CORRECT
ANSWER Flow limitations
What is the correct distance between O1 and O2 electrodes for a patient frontopolar-occipital
(FpZ-Oz) plane circumference of 58 and a nation-inion distance of 40cm? - CORRECT
ANSWER 5.8 cm
Primary reason for asking a patient to look up and down, left and right during physiological
calibrations is to: - CORRECT ANSWER Aid in identification of REM sleep
According to RECOMMENDED guidelines the desirable sampling rate for recording EOG is: -
CORRECT ANSWER 500 Hz
****Following RECOMMENDED guidelines, Which of the following would be an appropriate
time to end MWT trial? - CORRECT ANSWER A single epoch of N1
****The electrode array used for recording physiologic activity is referred to as: - CORRECT
ANSWER Montage
****According to RECOMMENDED guidelines, portable monitoring is appropriate to: -
CORRECT ANSWER Monitor a patients response to oral appliance therapy
****Which of the following is a physiological artifact? - CORRECT ANSWER Electrode
pop
According to RECOMMENDED guidelines, the minimal recording duration in hours for an
adult PSG is: - CORRECT ANSWER 6 hours
, Which method would BEST aid to distinguishing idiopathic central sleep apnea from Cheyne
Strokes respirations? - CORRECT ANSWER Observe for Crescendo-Decrescendo pattern
in the respiratory channels
Which of the following is an appropriate when a patient has a prosthetic eye? - CORRECT
ANSWER Document on the record and in the technologist notes
What additional parameter would be MOST helpful to monitor when recording a patients with
COPD? - CORRECT ANSWER Capnography
****Which of the following is an example of a bipolar derivation? - CORRECT
ANSWER Tibialis-Tibals
According to RECOMMENDED guidelines, respiratory effort should be recorded with: -
CORRECT ANSWER Inductance plethysmography
Indirect monitoring of oxygen level by the use of a sensor that detect light wave absorption is: -
CORRECT ANSWER Pulse oximetry
When performing a PSG on a 5 year old, the technologist notes that the amplitude generated
from EEG and EOG electrode derivations is too high to clearly see the activity and causing
waveforms
to square off. What is the sensitivity adjustment would be appropriate? - CORRECT
ANSWER 7 uv/mm
Which arrhythmia would require activation of an Emergency Response System? - CORRECT
ANSWER Ventricular Fibrillation
One of the MOST important roles of data collection for the recording technologist is to: -
CORRECT ANSWER Document any changes in recording parameters