Autonomic Review

Front 1

ANS - modality:

Back 1

General visceral motor

Front 2

ANS - innervation:

Back 2

-Cardiac muscle
-Smooth muscle
-Glands

Front 3

ANS - Functions:

Back 3

-Homeostasis (rest/digest)
-Emergency (fight/flight)
-Reproduction

Front 4

Spinal level of Origin:
-sympathetic
-parasympathetic

Back 4

Symp: T1 - L2

Para: CN 3, 7, 9, 10; S2-S4

Front 5

Sympathetic nerves are distributed where:

Back 5

All spinal nerves

Front 6

Parasympathetic nerves are distributed where:

Back 6

Structures in
-Head
-Neck
-Thorax
-Abdomen
-Pelvis

Front 7

Sympathetic Preganglionic Neuron Cell Bodies located where:

Back 7

Interomediolateral gray column of spinal cord

Front 8

Parasympathetic Preganglionic neuron Cell bodies located where:

Back 8

-Brainstem nuclei (4)
-Interomediolateral gray column of spinal cord at S2-S4

Front 9

What are the 4 brainstem nuclei that have preganglionic NCBs from which nerves originate?

Back 9

-Edinger-Westphal III
-Superior Salivatory VII
-Inferior Salivatory IX
-Dorsal motor nucleus X

Front 10

Length of Pre/Postgnglnc nerves
-Sympathetic
-Parasymp

Back 10

Symp: Short --> Long

Para: Long --> Short

Front 11

Acetylcholine

Back 11

Neurotransmitter for impulse of Preganglionic neurons at Ganglion in both Symp/Parasymp.

Front 12

Neurotransmitter for impulse of Postganglionic neurons at Target in Para vs. Symp:

Back 12

Para = Acetylcholine

Symp = AcH OR norepinephrine

Front 13

What targets receive AcH from symp postganglionic nerve fibers instead of norepinephrine?

Back 13

-Sweat glands
-Vasodilator fibers

Front 14

Sympathetic and Parasympathetic nerves exit the CNS via:

Back 14

Ventral roots - originate in cell bodies and then exit via these ventral roots.

Front 15

How exactly do sympathetic nerves exit the spinal cord?

Back 15

Via white rami communicans to enter the paravertebral ganglia of the sympathetic trunk.

Front 16

So what neurotransmitter would be used for the synapse in paravertebral ganglia of the sympathetic trunk?

Back 16

Achetylcholine

Front 17

What sympathetic nerves emerge from the CNS and pass through the sympathetic trunk WITHOUT ever synapsing?

Back 17

Splanchnic - for abdominal viscera - go to Celiac ganglion, etc.

Front 18

4 Cranial ganglia for parasymapthetic nerves:

Back 18

-Ciliary (III)
-Pterygopalatine (VII)
-Otic (IX)
-Submandibular (VII)

Front 19

PUPIL DILATION
-what nerve type
-Preganglionic NCB location
-Ganglion
-Action

Back 19

Sympathetic
C8-T2
Superior cervical ganglion then runs w/ Long ciliary nn.
Dilate iris, tarsal muscle

Front 20

PUPIL CONSTRICTION
-what nerve type
-Preganglionic NCB location
-Ganglion
-Action

Back 20

PARASYMPATHETIC
Edinger-Westphal nucleus/CN III
Ciliary Gangilion/Short ciliary nerves
Sphincter Pupilae/Ciliary body

Front 21

What nerve innervates nasolacrimal secretion?

Back 21

Parasympathetic - Lacrimal nerve of V1 carries fibers

Front 22

Preganglionic NCBs and preganglionic nerve for nasolacrimal secretion:

Back 22

Superior salivatory nucleus sends off Nervus Intermedius (CN VII) to join Greater Petrosal n. and n. of Pterygoid Canal

Front 23

Ganglion for nasolacrimal secretion:

Back 23

Pterygopalatine ganglion - the n. of the Pterygoid canal synapses here.

Front 24

Postganglionic nerve for nasolacrimal secretion:

Back 24

Naso: Zygomaticotemporal (V2)

Lacrimal: Lacrimal nerve (V1)

Front 25

What causes decreased secretion from nasolacrimal glands?

Back 25

Sympathetic nerve fibers from superior/inferior cervical ganglia; T1-T3

Front 26

How is salivary composition affected by symp vs. para stimulation?

Back 26

Symp: more viscous

Para: more watery

Front 27

Preganglionic NCB locations for salivation:

Back 27

-Superior salivatory nucleus VII

-Inferior salivatory nucleus IX

Front 28

Preganglionic nerve for salivation in the mouth:

Back 28

Nervus intermedius via geniculate ganglion, joins with Chorda Tympani and then Lingual nerve V3

Front 29

Ganglion and postganglionic nerve for salivation in mouth:

Back 29

-Submandibular ganglion (V3)
-Submandibular nerve to submandib and lingual glands.

Front 30

Where does the parotid gland innervation come from?

Back 30

CN IX starting at Inferior Salivatory Nucleus

Front 31

Nerves that pass Parasymp nerve fibers from CN IX to its ganglion:

Back 31

-Lesser petrosal
-Tympanic nerves

Front 32

Ganglion for synapse of CN IX salivatory fibers:

Back 32

Otic

Front 33

Postganglionic nerve for Otic ganglion salivatory fibers:

Back 33

Auriculotemporal V3

Front 34

Target for Auriculotemporal parasympathetic nerve fibers:

Back 34

Parotid gland

Front 35

At what spinal levels do the Sympathetic nerve fibers origin:
-For heart
-For lung

Back 35

Heart: T1-T5

Lung: T2-T5

Front 36

Where do nerve fibers for Parasymp nerves for heart/lungs originate?

Back 36

Both from Dorsal Motor Nucleus of CN X (vagus)

Front 37

Effect of sympathetic nerves on heart:

Back 37

-Increased force of contraction
-Increased heart rate
-Vasodilation

Front 38

Effect of parasymp nerves on heart:

Back 38

opposite

Front 39

Effect of sympathetic nerves on lung:

Back 39

-Bronchodilation
-Vasoconstriction
-Decreased bronchial gland secretions

Front 40

Effect of parasymp nerves on heart:

Back 40

-Bronchoconstriction
-Vasodilation
-Increased gland secretions

Front 41

Effect of sympathetic nerves on Skin/sweat glands:

Back 41

-Vasoconstriction to skin
-Increased secretion (remember AcH released here)

Front 42

At what spinal cord level do the sympathetic nerves for sweat glands/skin originate?

Back 42

T1-T3 cervical ganglia

Front 43

What level do sympathetic nerves for Stomach - Transverse colon (first 2/3) originate?
Where are the postganglionic NCBs for these fibers?

Back 43

T5-L1

Postgang NCBs in Celiac and Superior mesenteric ganglia

Front 44

What gives parasympathetic innervation to the Stomach thru first 2/3 of Transverse colon?

Back 44

Dorsal motor nucleus of CN X - the vagus nerve

Front 45

What gives parasymp innervation to the last 1/3 of transverse colon and down to the rectum?
What about sympathetic?

Back 45

S2-S4

Symp: L1-L2
Inferior mesenteric ganglion

Front 46

What is the effect of Sympathetic nerves on the Stomahch thru first 2/3 of Transverse intestine? Parasymp?

Back 46

DECREASED peristalsis, sphincter contraction, and gland secretion.
Parasymp = all opposite

Front 47

What nerve fibers give Sympathetic innervation to the Detrussor muscle and internal urethral sphincter?

Back 47

T11-L2

Front 48

What is their effect?

Back 48

-Contract of urethral sphincter
-Relax detrussor mucle

Front 49

What gives parasympthetic innervation to urethral sphincter and detrussor musc?

Back 49

S2-s4

Front 50

What postganglionic parasympathetic nerves innervate the bladder?

Back 50

Pelvic splanchnic nerves to inferior hypogastric plexus.

Front 51

What ganglion do the SYMPATHETIC fibers to the bladder synapse at?

Back 51

Inferior mesenteric

Front 52

What sympathetic nerves innervate reproductive organs?

Back 52

Lumbar splanchnic nerves T10-L2

Front 53

What is the effect of sympathetic innervation on reproductive organs?

Back 53

-Smooth muscle contracts
-Vessels constrict

Front 54

What parasympathetic nerves innervate reproductive organs?

Back 54

Same as bladder - S2-S4 pelvic splanchnic nerves

Front 55

What is the effect of pelvic splanchnic nerves on reproductive organs?

Back 55

-Smooth muscle relaxes
-Increased gland secretion -vasodilation