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Quizzes > Health & Medicine > Human Anatomy & Medicine

Test Your Sleep Tech Skills with Our RPSGT & CPSGT Quiz

Dive into an rpsgt practice test and cpsgt quiz - prove your sleep tech prowess!

Editorial: Review CompletedCreated By: Gabrielle GreeneUpdated Aug 25, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for RPSGT and CPSGT practice exam quiz on dark blue background.

Use this free RPSGT practice exam and CPSGT quiz to gauge your skills in sleep staging, equipment troubleshooting, and patient safety. You'll spot gaps to review before the exam. For extra practice, try the polysomnography basics quiz or add reps with focused CPSGT practice .

Which EEG derivation is most appropriate for detecting frontal lobe activity in standard adult PSG using the 10-20 system?
O1-M2
C3-M2
F3-M2
T3-M2
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The AHI (apnea-hypopnea index) threshold that defines moderate obstructive sleep apnea in adults is
>=30 events/hour
>=5 events/hour with excessive daytime sleepiness only
15 to <30 events/hour
5 to <15 events/hour
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During REM sleep, chin EMG is expected to show which characteristic in a normal adult?
Alternating high and low tonic bursts every 30 seconds
Sustained high tonic activity
Low tonic activity with possible brief twitches
Complete absence of any EMG signal
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Nasal pressure transducer is primarily used to detect which type of events during PSG?
Cheyne-Stokes respiration exclusively
Hypopneas and flow limitation
Central apneas only
Obstructive apneas only
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A thermistor (oronasal thermal sensor) is best for detecting
Complete cessation of airflow (apneas)
Subtle reductions in airflow
Transcutaneous CO2 levels
Oxygen saturation changes
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Impedance for scalp EEG electrodes should ideally be at or below which value before starting a PSG?
<10 kΩ
<25 kΩ
<50 kΩ
<1 kΩ
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According to AASM criteria, what minimum drop in airflow is required to score a hypopnea (recommended rule with arousal or desaturation)?
At least 30% drop for 10 seconds
At least 50% drop for 5 seconds
At least 10% drop for 10 seconds
Complete cessation of airflow for 10 seconds
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For leg EMG to score periodic limb movements, electrodes are placed
Over the quadriceps, 2 cm apart longitudinally
On the anterior tibialis muscle, 2-3 cm apart longitudinally
Over the gastrocnemius, 5 cm apart transversely
On the dorsum of the foot over extensor hallucis longus
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The recommended low-frequency filter (LFF) for EEG in adult PSG is typically set around
70 Hz
0.3 Hz
10 Hz
35 Hz
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Which montage best differentiates Stage N1 from wake in adults?
Chin EMG alone
Leg EMG channels
Occipital EEG with eye blinks and alpha attenuation
ECG lead II only
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Scoring criteria for PLM index in adults typically requires which minimum interval between limb movements in a series?
>90 seconds
0.5 to 5.0 seconds
5 to 90 seconds
Any interval if at least 3 movements occur
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Which finding suggests the need to switch from CPAP to BiLevel during titration?
Persistent hypoventilation or intolerance to high CPAP pressures
Obstructive apneas at low CPAP
Normal AHI at moderate CPAP
Mild snoring without desaturations
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Transcutaneous CO2 monitoring is preferred over end-tidal CO2 in which scenario during PSG?
Severe mouth leak on CPAP
In all pediatric studies regardless of circumstances
Stable nasal breathing without leak
When monitoring oxygen saturation only
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In pediatric PSG, which AHI threshold generally defines severe OSA?
>=30 events/hour
>=10 events/hour
>=5 events/hour
>=15 events/hour
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Which ECG finding during PSG warrants immediate clinical attention?
Sinus arrhythmia with respiration
First-degree AV block
Occasional isolated PVCs
Sustained ventricular tachycardia
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During a split-night study, per AASM guidance, CPAP may be initiated if within the first 2 hours of sleep the AHI is ?20 (or ?40 per institutional policy). Which option reflects this requirement for an adequate diagnostic portion?
At least 30 minutes of N3
At least 2 hours of sleep and AHI >=20 or >=40 depending on policy
Any REM sleep observed
Minimum 6 hours of total recording time
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For MSLT preparation, the night prior PSG should generally include at least
2 hours of TST
No specific requirement
8 hours of TIB regardless of TST
6 hours of TST
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During oxygen titration in sleep, target SpO2 for most adults with COPD is typically
90-92%
Any level as long as AHI <5
95-100%
80-85%
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In patients with OHS (obesity hypoventilation syndrome), the preferred titration modality is often
Room air only
Oral appliance therapy
BiLevel with consideration of backup rate (ST) if hypoventilation persists
CPAP with no backup rate
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Auto-CPAP is least appropriate in which patient scenario during unattended use?
Known CHF with central sleep apnea
Moderate OSA without major comorbidities
Primary snoring without OSA
Positional OSA in non-complex patient
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Study Outcomes

  1. Understand Sleep Study Fundamentals -

    Learn key concepts of sleep physiology, sleep stages, and common sleep disorders to build a solid foundation for RPSGT and CPSGT exam practice.

  2. Apply Equipment Setup Protocols -

    Master the proper placement and calibration of electrodes, sensors, and monitoring devices to ensure accurate data collection in clinical sleep studies.

  3. Analyze Scoring Techniques -

    Gain proficiency in scoring sleep stages, respiratory events, and arousals using standard criteria to improve accuracy on certification exams.

  4. Evaluate Exam Readiness -

    Use performance feedback from the practice exam and quiz to identify strengths and pinpoint areas that need further review before the official test.

  5. Interpret Practice Exam Feedback -

    Review detailed explanations for each question to understand mistakes, reinforce correct answers, and close knowledge gaps effectively.

  6. Enhance Exam-Taking Strategies -

    Develop time management skills and question-analysis techniques to approach RPSGT and CPSGT exam questions with confidence and precision.

Cheat Sheet

  1. Sleep Stage Scoring Essentials -

    Master AASM criteria for N1, N2, N3 and REM by reviewing the 30-second epoch rules and EEG waveforms; use the mnemonic "BATS Drink Blood" (Beta, Alpha, Theta, Sleep spindles/K-complexes, Delta, Beta) to recall stage progression. Real rpsgt practice questions often include epoch scoring examples to test your proficiency. Consistent review of official scoring manuals (American Academy of Sleep Medicine) boosts accuracy on both the rpsgt practice exam and the cpsgt quiz.

  2. Electrode Placement & Impedance Standards -

    Familiarize yourself with the International 10 - 20 system (e.g., Fp1-F3, C3-O1) and ensure electrode impedance remains under 5 kΩ to guarantee clear signal acquisition. Incorporate rpsgt exam practice questions on montage setups to build confidence in live recordings. Proper placement and impedances are critical to avoid signal dropout during your rpsgt practice test.

  3. Respiratory Event Definitions -

    Differentiate obstructive, central, and mixed apneas using AASM guidelines: apnea is ≥90% airflow reduction for ≥10 seconds, while hypopnea is ≥30% reduction plus ≥3% desaturation or arousal. Practice classifying events with sample PSG tracings to sharpen your interpretation skills on cpsgt and rpsgt practice exams. A solid grasp of these definitions underpins accurate respiratory scoring and AHI calculations.

  4. Signal Artifact Recognition & Correction -

    Learn to identify common artifacts - ECG contamination, eye blinks, muscle EMG, 60 Hz electrical noise - and apply filters or reposition electrodes as needed. Use artifact identification drills found in rpsgt practice questions to simulate real-world troubleshooting. Recognizing and correcting artifacts quickly ensures data integrity during both cpsgt quizzes and the full rpsgt practice test.

  5. Two-Process Sleep Model & Circadian Rhythm -

    Review Borbély's two-process model: Process S (homeostatic sleep drive) builds with wakefulness, while Process C (circadian rhythm) varies on a ~24-hour cycle. Understanding this interplay helps interpret sleep architecture changes in disorders like Delayed Sleep Phase Syndrome. Incorporate case-based rpsgt practice exam scenarios to apply these concepts in clinical scoring.

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