ch. 14 terms

Question 1

Autonomic nervous system (ANS) consists of motor neurons that innervate ? structures
1. ? muscles
2. ? muscle
3. ?

Answer 1

involuntary, smooth, cardiac, glands

Question 2

Effectors
-SNS innervates ? muscles
-ANS innervates ? muscle, ? muscle, and ?

Answer 2

skeletal, cardiac, smooth, glands

Question 3

Efferent Pathways and Ganglia
-SNS has ? Motor Neuron with its cell body located in the ? and its axon
stimulates skeletal muscle
-ANS has ? motor neurons: ?ganglionic neuron and a ?ganglionic neuron

Answer 3

one, CNS, two, pre, post

Question 4

?ganglionic neurons travel from the spinal cord or brain to the ?
?ganglionic neurons travel from the ganglion to the ? site

Answer 4

pre, ganglion, post, target

Question 4

Sites or origin of preganglionic fiber
-Parasympathetic fibers are called ? bc they originate in the brain and sacral spinal cord
-Sympathetic fibers are called ? bc they originate in thoracic and lumbar
regions of spinal cord

Answer 4

craniosacral, thoracolumbar

Question 5

sympathetic division is the ? or ? system
4 E’s: ? ? ? ?

Answer 5

fight, flight, Exercise, Excitement, Emergency, Embarrassment

Question 5

parasympathetic division is the ? or ? system
Keeps body energy use ? while carrying out ? activities

Answer 5

rest, digest, low, maintenance

Question 5

Relative lengths of fibers
-Parasympathetic has ? preganglionic fibers that synapse at terminal ganglion and ? postganglionic fibers
-Sympathetic has ? preganglionic fibers that synapse at the sympathetic chain (trunk) ganglion and ? postganglionic fibers

Answer 5

long, short, short, long

Question 5

Some structures are innervated only by the sympathetic division
1. ? glands
2. ? ? muscle of hair follicle
3. ? muscles of all blood vessels

Answer 5

sweat, arrector pili, smooth

Question 6

There are two types of cholinergic receptors that bind ACh
1. Nicotinic receptors- bind ?, are ?, found on ? bodies, postgang. neurons, and ? muscle cells
2. Muscarinic receptors- bind ?, are ? and ?, found ? and ? muscle cells

Answer 6

ach, excitatory, cell, skeletal, ach, excitatory, inhibitory, cardiac, smooth

Question 6

Location of ganglia
-Parasympathetic ganglia are in or near the ? effector organ and are called ? ganglia
-Sympathetic ganglia are close to the spinal cord are called sympathetic ? ganglia or sympathetic ? ganglia

Answer 6

visceral, terminal, chain, trunk

Question 6

4 major neurotransmitters of sympathetic division:

Answer 6

ACh, NE/E, dopamine

Question 7

Cholinergic fibers secrete ? whereas Adrenergic fibers secrete ?

Answer 7

ACh, NE