What Aspects of the PACU May Help the Psychological Wellbeing

What aspects of the PACU may help the psychological wellbeing of the patient recovering from surgery?

A) The presence of many monitors so the patient knows the PACU has advanced technology to help them.
B) Many nurses and technicians, which gives the patient confidence in the abilities of the nursing staff.
C) A large, open room so the patient is aware that others are also recovering from surgery.
D) Low lighting so the patient is not exposed to harsh glare during recovery.