Autonomic Tone Is an Important Aspect of ANS Function Because

Multiple Choice

Autonomic tone is an important aspect of ANS function because it

A) allows ANS neurons to be silent under normal conditions.
B) allows ANS neurons to increase activity on demand but not decrease their activity.
C) allows ANS neurons to decrease their activity on demand but not increase their activity.
D) allows ANS neurons to increase or decrease their activity, providing a range of control options.
E) provides for a narrow range of control options that keeps target tissues constantly active.