Human Anatomy Autonomic Nervous System

Front 1

The autonomic nervous system is divided into what two divisions

Back 1

Sympathetic and Parasympathetic

Front 2

The lower motor neurons of the Sympathetic division arise in the _____ and upper _____ segments of the spinal cord. It is commonly called what?

Back 2

a)thoracic b)lumbar c)thoracolumbar outflow

Front 3

The neurons of the Parasympathetic division arise in the _____ and in the _____ segments of the spinal cord. It is commonly called what?

Back 3

a)brain stem b)sacral c)craniosacral outflow

Front 4

Somatic motor neurons _____ the central nervous system and directly synapse with _____ muscle fibers.

Back 4

a)enter b)skeletal

Front 5

Viseral lower motor neurons _____ the central nervous system and synapse with another motor neuron located _____, _____, _____, _____.

Back 5

a)exit b)spinal cord or brain stem c)aorta (collateral or preaortic ganglion) d)organ that is innervated e)organ itself (intramural ganglion)

Front 6

Viseral motor neurons are called _____ fibers

Back 6

preganglionic

Front 7

Second order neurons are called _____ fibers

Back 7

postganglionic

Front 8

In the sympathetic division what neurotransmitters do pre and postganglionic axons use?

Back 8

a)acetylcholine b)norepinephrine

Front 9

In the parasympathetic division what neurotransmitters do pre and postganglionic axons use?

Back 9

acetylcholine

Front 10

In the sympathetic division all preganglionic fibers are _____ and postganglionic fibers are _____.

Back 10

a)myelinated b)unmyelinated

Front 11

Preganglionic fibers arise at spinal cord levels _____ to _____ (only).

Back 11

T1 to L2

Front 12

Greater splanchnic nn are constant and synapse in _____ (supply _____).

Back 12

a)celiac ganglion b)upper abdominal organs (stomach, liver, small intestine)

Front 13

Lesser splanchnic nn are constant and synapse in _____ (supply _____).

Back 13

a)superior mesenteric ganglion b)intermediate abdominal organs (small and large intestine to the great divide)

Front 14

Lumbar splanchnic nn are constant and synapse in _____ (supply _____).

Back 14

a)inferior mesenteric ganglion b)distal large intestine

Front 15

Sacral splanchnic nn few and variable in origin, synapse in _____ (supply _____).

Back 15

a)postganglion neurons in hypogastric plexus b)pelvic organs

Front 16

The sympathetic chain ganglion is located near _____?

Back 16

spinal cord

Front 17

The collateral ganglion is located near _____?

Back 17

aorta

Front 18

The sympathetic chain ganglion is located near _____

Back 18

target organ

Front 19

In the sympathetic chain ganglia the preganglionic axons must communicate w/ the ganglion via a shunt called _____?

Back 19

white ramus communicans (myelinated so looks white)

Front 20

In the sympathetic chain ganglia after synapse w/ the post ganglionic neuron cell body within the chain ganglion, the post ganglionic axon (which is unmylinated) must rejoin the spinal cord via _____?

Back 20

gray ramus communicans

Front 21

A ganglia is where the pre and post ganglia's _____?

Back 21

synapse

Front 22

The sypathetic chain ganglion innervates viseral organs in what cavity?

Back 22

thoracic cavity

Front 23

The collateral ganglion innervates by post ganglionic fibers in what cavity?

Back 23

abdominopelvic cavity

Front 24

The adrenal medulla is the location where pre and post ganglionic neurons synapse with one another and produce _____ and _____ and secrete these hormones into the _____ system?

Back 24

a)epinephrine b)nor-epinephrine c)blood

Front 25

true or false: there are no parasympathetic innervation in the adrenal

Back 25

TRUE

Front 26

What are the 4 cranial nerves that carry the preganglionic fibers that arise from the brain stem?

Back 26

a)occulomotor (CN III) b)facial (CN VII) c)glossopharyngeal (CN IX) d)vagus (CN X) [Old Fogeys Get Viagra]

Front 27

true or false: some preganglionic fibers arise in sacral spinal cord segments S2,3,4

Back 27

TRUE

Front 28

occulomotor n uses which ganglion

Back 28

ciliary ganglion (to intrinsic eye muscle)

Front 29

facial n uses which ganglion

Back 29

pterygopalatine and submandibular ganglion (to nasal, tear and salivary glands)

Front 30

glossopharyngeal n uses which ganglion

Back 30

otic ganglion (to parotid gland

Front 31

vagus n uses which ganglion

Back 31

intramural ganglion (to visceral organs of neck, thoracic and abdominal cavities)

Front 32

sympathetic innervation is used for

Back 32

energy intensive, response are rapid and protects body during emergencies (fight or flight response)

Front 33

sympathetic effects are

Back 33

heart beat, blood pressure and lung width increase, eyes open and digestive activity is inhibited

Front 34

parasympathetic innervation is used for

Back 34

supports vegetative functions

Front 35

parasympathetic effects are

Back 35

heart beat, blood pressure and lung width decrease, eyes close and digestive activity is inhibited

Front 36

sympathetic innervation is _____

Back 36

widespread (distributed to viscera of body cavities, blood vessels of skin, blood vessels of skeletal muscles, etc)

Front 37

parasympathetic innervation is _____

Back 37

restricted (distributed to viscera of body cavities, salivary glands, NOT to skin or most blood vessels)

Front 38

in reproductive system the sympathetic innversation supports

Back 38

ejaculation

Front 39

in reproductive system the parasympathetic innversation supports

Back 39

erection