Autonomic

Question 1

What do the motor neurons of the ANS do?

Answer 1

Innervate smooth and cardiac muscle+ glands

Make adjustments to ensure optimal support for body activities

Operate via subconscious control

Have viscera as most of their effectors

Question 2

True or false: The axons of the ANS are a one chain neuron

Answer 2

False- The axons of the ANS are a two-neuron chain

Question 3

Is the preganglionic neuron unmyelinated?

Answer 3

No- It is lightly meylinated

Question 4

Is the postganglionic neuron unmyelinated?

Answer 4

Yes

Question 5

What does the preganglionic neuron extend to?

Answer 5

A ganglion

Question 6

What does the postganglionic neuron extend to?

Answer 6

An effector organ

Question 7

What is a ganglion? what is the exception?

Answer 7

Collection of neuronal cell bodies in the PNS

EXCEPTION: The basal ganglion in the CNS

Question 8

What ganglion is seen in the motor system?

Answer 8

Autonomic ganglia

Question 9

What are the two divisions of the ANS?

Answer 9

Sympathetic and Parasympathetic

Question 10

True or false: Both divisions of the ANS counter-balance each other?

Answer 10

True

Question 11

Sympathetic neurons make up…

Answer 11

The lateral horns of the spinal cord

Question 12

What do preganglionic fibers pass through?

Answer 12

White rami communicantes

Question 13

Where do preganglionic fibers synapse?

Answer 13

In the chain ganglia aka the paravertebral ganglia

Question 14

What forms the splanchnic nerves

Answer 14

Fibers from T5-L2

Question 15

Which fibers synapse with the collateral ganglia?

Answer 15

Fibers from T5-L2

Question 16

True or false: Postganglionic fibers innervate a few organs of the body?

Answer 16

False- Postganglionic fibers innervate numerous organs of the body

Question 17

Where does sympathetic outflow arise?

Answer 17

Spinal cord segments T1-L2

Question 18

What does the thoracic level of the spinal cord include?

Answer 18

The lateral horn