A Reduction in Airflow of Between 4% and 50% of Baseline

question 22

Multiple Choice

A reduction in airflow of between 4% and 50% of baseline airflow for at least 10 s during sleep defines which of the following?

• A) Apnea
• B) Respiratory effort-related arousal (RERA)
• C) Arousal
• D) Hypopnea

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