Key concepts: Autonomic nervous system

Question 1

conditions

Answer 1

neuroblastoma
autonomic neuropathy

Question 2

in a division of nervous function where does the parasympathetic system lie

Answer 2

subdivision of peripheral
then autonomic

Question 3

basic function of parasympathetic nervous system

Answer 3

rest and digest

Question 4

nerve origin parasympathetic

Answer 4

brainstem
sacral spinal cord

don’t travel directly they will visit ganglia first

Question 5

where are the parasympathetic ganglia

Answer 5

near or in the walls of the organs that they supply

Question 6

preganglionic neurons in parasympathetic

Answer 6

long
neurons from brainstem/spinal cord to the parasympathetic ganglion

Question 7

what do the pre ganglionic parasympathetic synapse with

Answer 7

post ganglionic

Question 8

post ganglionic neurons in parasympathetic

Answer 8

short
neurons in the ganglia with targets of the parasympathetic nervous system

Question 9

neurotransmitter in parasympathetic neurons

Answer 9

acetylcholine

Question 10

preganglionic neurons in the brainstem arise from cranial nerve nuclei for

Answer 10

oculomotor
facial
glossopharyngeal
vagus

Question 11

preganglionic neurons in the spinal cord arise from where

Answer 11

sacral spinal cord
S2,3,4
come together to form the pelvic nerves

Question 12

oculomotor

Answer 12

V3, ophthalmic
supply the sphincter papillae and sphincter muscles

Question 13

facial

Answer 13

V2 maxillary and V3 mandibulary to glands: orbit cavity, nasal cavity and oral cavity

Question 14

glossopharyngeal

Answer 14

V3 to parotid gland

Question 15

vagus

Answer 15

special visceral branches to the viscera in the thorax and abdomen
synapse with the enteric system in the gut walls/ post ganglionic with direct organ association
supply ends just prior to the left colic flexure

Question 16

S2,3,4

Answer 16

leave the ventral rami as pelvic splanchnic nerves
synapse in the enteric system in the colon
post ganglio associated with pelvic and perineal viscera

Question 17

sympathetic division of the nervous system

Answer 17

peripheral
autonomic

Question 18

brief function of sympathetic

Answer 18

fight or flight

Question 19

where do sympathetic neurons originate

Answer 19

thoracic and lumbar spinal cord
T1-L2

Question 20

ganglia in sympathetic fibres

Answer 20

have sympathetic ganglia and chain ganglia
the spinal cord to the adrenal medulla is an exception

Question 21

chain ganglia

Answer 21

close to the spinal cord

Question 22

pre-vertebral ganglia

Answer 22

closer to the rogans that they supply

Question 23

nerve route brief sympathetic

Answer 23

short pre synaptic
long post synaptic

Question 24

neurotransmitters in sympathetic

Answer 24

pre ganglionic release acetylcholine
post ganglionic release norepinephrine, some use acetyl choline

Question 25

location of visceral motor cell bodies

Answer 25

cranial nerves: 3,8,9,10
T1-L2
S2-4

Question 26

which pathway do sensory fibres take

Answer 26

dorsal route
back of the butterfly

Question 27

which pathway do motor fibres take

Answer 27

ventral route
front of the butterfly
M=Mother=boobs= top wings of butterfly

Question 28

what is the action of sympathetic pathway to the periphery

Answer 28

blood vessels
erector pili
sweat glands

Question 29

dorsal route

Answer 29

sensory infromation into the spinal cord
cell bodies lie outside the CNS in the sensory ganglia
sensory ganglia are associated with the spinal ganglia

Question 30

ventral route

Answer 30

motor fibres out of the CNS
cell bodies lie inside of the CNS

Question 31

sympathetic motor pathway

Answer 31

cell bodies in the lateral horn
fibres leave the cord in the ventral route
synapse with the 2nd motor neuron in the motor ganglion outside of the CNS

Question 32

paraveterbral ganglia

Answer 32

connected to the ventral rami of the spinal nerve by rami communicantes

Question 33

2 types of rami communicantes

Answer 33

gray ramus
white ramus

Question 34

gray ramus

Answer 34

carries post ganglionic back to the spinal nerve
is unmyelinated

Question 35

white ramus

Answer 35

carries pre ganglionic from the spinal cord to the sympathetic ganglion
myelinated

Question 36

sympathetic pathway to the core

Answer 36

pre ganglionic fibres originate in the lateral horn
ventral route out of the spinal cord
synapse with the post ganglionic in the paravertebral sympathetic ganglia suspended from the ventral ramus
then form named visceral nerves

Question 37

sympathetic pathway to the abdomen and the pelvis

Answer 37

don’t synapse in the sympathetic ganglion
leave as splanchnic nerves to the abdomen
synapse in pre vertebral ganglion that is associated with blood vessels
short pre synaptic