(1)  Subject to the provisions of subsection (2) , it is the duty of a person who undertakes to administer surgical or medical treatment to another, or to do any other lawful act of a dangerous character which requires special knowledge, skill, attention, or caution, to employ in so doing a reasonable amount of such knowledge, skill, attention, and caution.

(2)  In a case of necessity, and where no person having such knowledge or skill as aforesaid can be procured by reasonable means to do such act, it is lawful for a person not having such knowledge or skill to do such act, but it is his duty to employ in so doing such amount of attention and caution as is reasonable in the circumstances.