The effect of autonomic fibers on target cells is _________.The effect of somatic fibers on target cells is __________.
A) always excitatory;always excitatory
B) excitatory or inhibitory;always excitatory
C) excitatory or inhibitory;excitatory or inhibitory
D) always inhibitory;excitatory or inhibitory
E) always inhibitory;always excitatory

Question

Quizplus · Accepted Answer

The autonomic nervous system can either excite or inhibit its target cells depending on the type of neurotransmitter released and the receptors present on the target cells. In contrast, the somatic nervous system, which controls skeletal muscles, is always excitatory because it uses acetylcholine as its neurotransmitter, which always excites skeletal muscle cells.

The Effect of Autonomic Fibers on Target Cells Is _________