Question

Which of the following comparisons of the autonomic nervous system (ANS) and the somatic nervous system (SNS) is not true?

Answer 1

Answer:

The correct answer is: D) the SNS contains motor neurons which are excitatory and inhibitory.

Explanation:

Motor neurons have no inhibitory function in vertebrates, as they only carry excitatory information to the neuromuscular junction (the interface between the muscle fiber and this type of neuron) to generate the contraction of the muscle on the receiving end.

Answer 2

Answer:

D.the SNS contains motor neurons which are excitatory and inhibitory

Explanation

Autonomic nervous system controls the involuntary body functions such as digestion etc.

The SNS contains motor neurons which are excitatory and inhibitory is false. It was previously believe to be true but now false due to the various exceptions discovered about it.