I need a post for my weekly discussion board. There’s questions that professor g

I need a post for my weekly discussion board. There’s questions that professor gave.
What kinds of reasons might support giving medical professionals total and universal authority in dealing with patients?
Consider a comparable case where we give one group of people paternalistic authority over another group and in regard to almost all decisions: parents in regard to their children. What justifies that? Do you think the situation between doctors and patients is appropriately similar?