Which of the following statements does NOT accurately describe a characteristic of the autonomic nervous system?

A)Autonomic pathways consist of two types of motor neurons.
B)ANS stimulation of involuntary effectors is always excitatory.
C)The output (motor)portion of the ANS can be divided into two principal branches.
D)The postganglionic neuron lies entirely in the peripheral nervous system.
E)All of the choices describe characteristics of the ANS.