ANS

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created 9 years ago by cryina
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Autonomic Nervous System
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1

What are the ANS target organs?

viscera of the thoracic and abdominal cavities

2

What does the ANS control?

controls glands, cardiac muscle, and smooth muscle
A.k.a. the visceral motor system to distinguish it from the somatic motor system

3

What are the 4 components of ANS?

Preganglionic Neurons
Autonomic Ganglia
Ganglionic (Postganglionic) Neurons
Effectors

4

TRUE/FALSE

Visceral effectors depend on the autonomic nervous system to function

False,

Visceral effectors do not depend on the autonomic nervous system to function, only to adjust their activity to body changing needs.

5

What is involved in the visceral reflex arc?

receptors (nerve endings that detect stretch, tissue damage, blood chemicals, body temperature, and other internal stimuli)

afferent neurons lead to the CNS

interneurons in the CNS

efferent neurons carrying motor signals away from the CNS

effectors

6

Where is the cell body in a preganglionic neuron?

CNS

7

Fight vs. Flight. What system?

Sympathetic

8

Rest/digest. Which System

Parasympathetic