Can an autopsy be performed on a person who is still alive

Pl ! what do u do if you have a friend that is trying gain weight and you tell her to eat and that dont work so you just tell her that she dont have to be like every one else but then she cry

What is the answer to this particular question i have in health

Have a friend or family member complete the questionnaire. make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.