Which of the Following Methods Can Eliminate the Need for Conducting

Multiple Choice

Which of the following methods can eliminate the need for conducting a separate sleep study to adjust a patient's CPAP level?
1) Use an auto-adjusting CPAP system.
2) Use SpO₂ values to titrate the CPAP level.
3) Use a patient sleep log or diary.

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2, and 3