What does Physician-assisted death mean and Is there any Example of this meaning?

This is for my research paper which I am researching for which will be in the introduction.

You are caring for a patient with an anxiety disorder on the psychiatric unit. the family is present with the patient. your instructor talked in the mental health course about cognitive, affective, and behavioral psychiatric nursing interventions. a. what are cognitive, affective, and behavioral psychiatric nursing interventions? b. give some examples of cognitive, affective, and behavioral psychiatric nursing interventions you could apply to the care of this family.