What is the most commonly prescribed treatment for moderate OSA?

The muscles of expression in the face (e.g., for smiling, frowning, and wrinkling the forehead) are:

A) Involuntary muscles B) Skeletal muscles C) Attached to face bones D) Embedded in cutaneous tissue

Best practice states that all of the following items remain sterile until the patient leaves the room, EXCEPT the:

a. back table b. basin set c. Mayo stand d. surgical drapes