FREE BRPT AASM Scoring of Respiratory and Cardiac Events Questions and Answers

Question 1

An obstructive apnea is scored when there is a drop in the peak signal excursion of airflow by at least 90% for a duration of at least 10 seconds, and which other condition is met?

Accepted Answer

There is continued or increased inspiratory effort.

Answer

There is an absence of inspiratory effort.

Answer

The event is associated with a 4% oxygen desaturation.

Answer

The patient is in REM sleep.

Question 2

According to the AASM Recommended hypopnea rule (1A), a hypopnea is scored when there is a drop in airflow of at least 30% for 10 seconds or more, associated with what?

Accepted Answer

A ≥3% oxygen desaturation or an arousal.

Answer

Only a ≥4% oxygen desaturation.

Answer

Only an arousal.

Answer

An increase in heart rate of 10 bpm.

Question 3

A central sleep apnea event is characterized by a cessation of airflow for at least 10 seconds and what defining feature?

Accepted Answer

Absence of inspiratory effort.

Answer

Continued paradoxical respiratory effort.

Answer

A concurrent 3% oxygen desaturation.

Answer

Loud snoring preceding the event.

Question 4

Which of the following best describes the pattern of Cheyne-Stokes Respiration (CSR)?

Accepted Answer

A crescendo-decrescendo pattern of breathing with central apneas.

Answer

A sudden, brief cessation of airflow with continued effort.

Answer

Consistently shallow breathing throughout the night.

Answer

Periods of rapid, deep breathing followed by an obstructive apnea.

Question 5

A Respiratory Effort-Related Arousal (RERA) is a sequence of breaths lasting at least 10 seconds that is characterized by increasing respiratory effort and that leads to what?

Accepted Answer

An arousal from sleep.

Answer

A 4% oxygen desaturation.

Answer

A central apnea.

Answer

A significant bradycardia.

Question 6

Sinus bradycardia during sleep is typically scored if the heart rate drops below what threshold for adults?

Accepted Answer

40 bpm

Answer

60 bpm

Answer

50 bpm

Answer

30 bpm