Z Is Thrown from His Horse and Is Insensible

Multiple Choice

Z is thrown from his horse and is insensible. A, a surgeon, finds out that Z requires to be trepanned. A, not intending Z's death, but in good faith for Z's benefit, performs the trepan before Z recovers his power of judging for himself.

A) A has committed offence
B) A has committed no offence
C) A has committed culpable homicide
D) both (A) and (C)