[A] : In vertebrates, motor fibres to striped muscle. parasympathetic fibres to smooth muscle. and preganglionic sympathetic ii- bres are cholinergic.
[R]: Cholinergic designates the type of nerve fibre that releases acetylcho|ine from its end- ing when stimulated by a nerve impulse.
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true and R is false
D. If both A and R are false