RPSGT Domain 3 Final Assessment (Qns & Ans) 2026

RPSGT Domain 3 Final Assessment (Qns & Ans) 2026
1. What does the abbreviation AHI stand for in sleep scoring?
 a) Apnea-Hypopnea Index
 b) Apnea-Hardware Integration
 c) Accurate-Hypopnea Indicator
 d) Advanced-Hypertension Index
 Correct ANS: a) Apnea-Hypopnea Index
 Rationale: AHI quantifies the severity of sleep apnea by
measuring the number of apneas and hypopneas per hour of sleep.
2. Which of the following is an essential component of data
verification in polysomnography?
 a) Adjusting settings
 b) Reviewing raw data for accuracy
 c) Conducting patient interviews
 d) Performing home sleep tests
 Correct ANS: b) Reviewing raw data for accuracy
 Rationale: Data verification involves checking the recorded
data against expected norms and identifying any errors before
analysis.
3. In data reporting, what is the significance of the term 'epoch'? 
a) A period of sleep
 b) A standard time segment for scoring
 c) The total sleep time
 d) A sleep stage
 Correct ANS: b) A standard time segment for scoring
 Rationale: An epoch typically refers to a 30-second period
used for scoring sleep stages, which allows for systematic
evaluation.
4. When reporting sleep study results, which metric indicates a
proportion of total sleep time that is spent asleep?
 a) Sleep Efficiency
 b) Total Sleep Time
 c) Latency Period
 d) Efficacy Rating
 Correct ANS: a) Sleep Efficiency
 Rationale: Sleep efficiency is calculated as the ratio of total
sleep time to time spent in bed, expressed as a percentage.
5. In the context of sleep data analysis, which parameter is
crucial for defining central apneas?
 a) Absence of airflow with ongoing respiratory effort 
b) Partial airway obstruction
 c) Full airway obstruction
 d) Increased respiratory effort
 Correct ANS: a) Absence of airflow with ongoing respiratory
effort
 Rationale: Central apneas are characterized by a pause in
breathing with lack of effort, differentiating them from
obstructive events.
6. What is the primary purpose of scoring hypopneas in
polysomnography?
 a) To establish a baseline
 b) To calculate oxygen desaturation levels
 c) To identify non-REM versus REM sleep
 d) To quantify respiratory disturbances during sleep
 Correct ANS: d) To quantify respiratory disturbances during
sleep
 Rationale: Scoring hypopneas helps assess the degree of
respiratory compromise during sleep that may contribute to sleep
disorders.

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