COMPREHENSIVE STUDY GUIDE 2026
FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Which filter would be used to adjust the rise time of a signal?.
Answer: The HFF
◍ What are some possible causes for secondary PLMS?.
Answer: Blood iron deficiency
◍ NPSG stands for_________________________..
Answer: Nocturnal polysomnogram.
◍ Sleepwalking and night terrors are common in the ages of
______________..
Answer: 3-12 yrs old
◍ A ________ study is used to look for seizure activity during sleep..
Answer: Nocturnal seizure
◍ The 60-Hz notch filter is used to eliminate _______________________..
Answer: Artifact generated from electrical devices
◍ On an EKG, the QRS complex represents ___________..
Answer: ventricular depolorization (contraction)
◍ A premature P wave in the EKG is referred to as a ___________________.
Answer: PAC
◍ During bilevel titration, the ________ is sometimes used to treat central
apneas..
Answer: Backup rate
, ◍ What is it called when a person goes to bed early in the evening and wakes
early in the morning?.
Answer: Advanced sleep phase syndrome
◍ What is the minimum recording time for a study?..
Answer: 6 hrs
◍ How many naps does an MSLT consist of?.
Answer: 4-5
◍ In an ECG the T wave represents ____________________..
Answer: Ventricular repolarization
◍ Antidepressants suppress which stage of sleep?.
Answer: REM
◍ A mixed apnea __________________..
Answer: starts with a central component that has become obstructive.
◍ The technician should log which patient information into the computer
before the study?.
Answer: Study ID #
◍ Sweat artifact looks like________________.
Answer: Slow wave sleep
◍ Nocturnal paroxysmal dystonia is characterized by________________.
Answer: Sudden, random, violent movements during NREM sleep.
◍ BiPAP S/T stands for________________.
Answer: Bilevel positive airway pressure spontaneous/timed
◍ When a signal starts blocking and squaring off at the top it is caused
by________________.
Answer: The gain (sensitivity) being set too high
◍ Theta waves are primarily associated with________________.
Answer: Stage 1 sleep