Dr. Yang barges in on a sleeping patient ignoring the direction of Dr. Bailey.  She disturbs the patient and disrespects her.  The patient turns out to be an ex-scrub nurse of the hospital and gives Dr. Yang a mouthful for her behavior.

Season 1 Episode 4

1. What impact does the level of professionalism have on the doctor-patient relationship?

2. What sorts of professional etiquettes were ignored by the doctor in this scene?