Block 2 Autonomic Nervous System

Question 1

ANS is solely blank

Answer 1

efferent

Question 2

two ANS subdivisions

Answer 2

sympathetic, parasympathetic

Question 3

emybronic origin of sympathetic and parasympathetic

Answer 3

neural crest

Question 4

preganglionic neuron is in the blank

Answer 4

cns

Question 5

postganglionic neuron is in the blank

Answer 5

pns

Question 6

preganglionic sympathetic fibers travel in the blank root of the spinal nerve before entering sympathetic trunk via blank

Answer 6

ventral, white rami communicans

Question 7

postganglionic sympathetic fibers are contained within ever spinal nerve and goes to where

Answer 7

all hair follics, blood vessels, sweat glands

Question 8

preganglionic parasympathetic fibers leave the spinal nerve as the blank

Answer 8

pelvic splanchnic nerves

Question 9

site of information exchange within nervous system

Answer 9

synapse

Question 10

cell body and fiber originate in the brain and spinal cord

Answer 10

preganglionic

Question 11

cell body and fiber originates in PNS within a ganglion

Answer 11

postganglionic

Question 12

collection of cell bodies in cns

Answer 12

nucleus

Question 13

collection of cell bodies in pns

Answer 13

ganglion

Question 14

preganglionic neuron is always in the blank of the cns

Answer 14

lateral horn

Question 15

sympathetic preganglionic neuron originates at one of these levels of the spinal cord

Answer 15

T1-L2 or L3

Question 16

postganglionic neuron is always in the pns and can be located in the blank or blank

Answer 16

sympathetic trunk, prevertebral ganglia

Question 17

paired chains of ganglia connected by nerve fibers, location of sympathetic ganglia

Answer 17

sympathetic trunk

Question 18

sympathetic trunk location

Answer 18

paravertebral

Question 19

two sides of sympathetic trunk unite in the coccygeal region as the blank

Answer 19

ganglion impar

Question 20

prevertebral ganglia are associated with unpaired blank

Answer 20

visceral arteries (celiac, superior mesenteric, inferior mesenteric)

Question 21

input to the sympathetic trunk is via 14 pairs of the blank

Answer 21

white rami communicantes

Question 22

output from the sympathetic trunk is via 31 pairs of blank

Answer 22

gray rami communicantes

Question 23

preganglionic neurotransmitter is blank

Answer 23

ach

Question 24

postganglionic nt is usually blank

Answer 24

norepinephrine

Question 25

postganglionic fibers to sweat glands are an exception and use blank as an nt instead of blank

Answer 25

ach, norepinephrine

Question 26

four major groups of ganglia that preganglionic fibers can terminate in without synapsing

Answer 26

greater, lesser, least, lumbar splanchnics

Question 27

greater splanchnic nerve synapses in blank and supplies blank

Answer 27

celiac ganglia, foregut

Question 28

lesser and least splanchnic nerves synapse in the blank and supplies blank

Answer 28

aorticorenal ganglia, kidney

Question 29

superior mesenteric ganglion supplies blank

Answer 29

midgut

Question 30

no splanchnic nerve goes directly into the blank

Answer 30

superior mesenteric ganglion

Question 31

lumbar splanchnic nerve synapses in blank and supplies blank

Answer 31

inferior mesenteric ganglion, hindgut

Question 32

prevertebral ganglia are located blank to vertebral column

Answer 32

anterior

Question 33

postganglionic sympathetic fibers from prevertebral ganglia are distributed to blank

Answer 33

abdominal organs

Question 34

thoracolumbar contains blank

Answer 34

sympathetics

Question 35

craniosacral contains blank

Answer 35

parasympathetics

Question 36

CN3 innervates sphincter pupillae for the light response via blank

Answer 36

short ciliary nerves

Question 37

postganglionic parasympathetic fibers innervate these

Answer 37

some cranial nerves, submandibular/sublingual glands

Question 38

cn9 parasympathetic fibers travel with the blank and synapse in the blank

Answer 38

lesser superficial petrosal nerve, otic ganglia

Question 39

preganglionic fibers of vagus nerve go all the way to the gut and these ganglia are called blank

Answer 39

terminal ganglia

Question 40

parasympathetic nt

Answer 40

ach

Question 41

sacral portion of parasympathetic preganglionic fibers control blank

Answer 41

reproductive organs, sexual response, micturition, defecation