chapter 17

Question 1

autonomic ns

Answer 1

-regulate temp
-coordinate cardiovasc, respir, digestive, excretory and reproductive function
-afferent pathways are from the visceral receptors
-axons innervate visceral organs

Question 2

somatic ns

Answer 2

-axons innervate skeletal muscle
-afferent originate in skeletal muscle

Question 3

autonomic divisions

Answer 3

-sympathetic (thoracolumbar)
-parasympathetic

Question 4

symp

Answer 4

fight or flight
-thoracic and upper nerves synapse in ganglia near the cord
-increase metabolism and alertness

Question 5

para

Answer 5

rest and digest
-also called craniosacral
-located near target organ
-energy conservation

Question 6

autonomic ganglia

Answer 6

2 neurons that synapse and connect @autonomic ganglion

Question 7

somatic motor neuron

Answer 7

one neuron to muscle

Question 8

autonomic motor neuron

Answer 8

2 neurons to smooth muscle/ gland

Question 9

sympathetic division

Answer 9

-preganglionic fibers release ACh (stimulatory)
-post ganglionic fibers release norepi (stimulatory)

Question 10

parasympathetic division

Answer 10

-preganglionic release ACh
-post ganglionic release ACh but its inhibitory not stimulatory

Question 11

Specialized neurons

Answer 11

In interior suprarenal/ adrenal gland, they are modified and release epinephrine and norepinephrine (neurotransmitter that act like hormones)

Question 12

Symp pre ganglionic

Answer 12

Cell bodies in the lateral gray horns, axons enter ventral root

Question 13

Sympathetic chain ganglia

Answer 13

Control effectors in the body wall, head, neck, limbs and thoracic cavity, form spinal nerve (has whiter ramus)

Question 14

Collateral ganglia (sympathetic)

Answer 14

Neurons innovate effectors in the abdominopelvic cavity