Spinal Anatomy PNS & ANS 21% (Cranial Nerves, ANS, & ENS)

Question 1

What is the saying to remember which cranial nerves are motor, sensory, or both?

Answer 1

Some say money matters but my brother says big boobs matter most

Question 2

What is the saying to remember which opening each cranial nerve passes through?

Answer 2

Come On SOfia SOfia SOfia ROll OVer SOfia I AM In A Mood (for) JUGs JUGs JUGs Hello!

Question 3

What is the function of the CN 1?

Answer 3

smell

Question 4

What is the function of CN ll?

Answer 4

Vision

Question 5

What is the function of CN lll?

Answer 5

Motor to the eye muscles EXCEPT lat. rectus & sup. Oblique

SO4 LR6/3

Question 6

What is the function of CN lV?

Answer 6

Motor to superior oblique

Question 7

What is the function of CN V?

Answer 7

Sensory: Face & tongue

Motor: Muscles of mastication

Question 8

What are the branches of CN V?

Answer 8

V1 Ophthalmic

V2 Maxillary

V3 Mandibular

Question 9

What is the function of CN Vl?

Answer 9

Motor to lateral rectus

Question 10

What is the function of CN Vll?

Answer 10

Sensory: anterior 2/3 of tongue (taste)

Motor: Facial expression

Question 11

What is the function of CN Vlll?

Answer 11

Balance & hearing (equilibrium)

Question 12

What is the function of CN lX?

Answer 12

Sensory: Posterior 1/3 of tongue (taste)

Motor: secretion of parotid gland

Question 13

What is the function of CN X?

Answer 13

Sensory: Bitter tast epiglottis; External auditory meatus

Motor: to larynx and pharynx

Question 14

What is the function of CN Xl?

Answer 14

Motor to SCM & Trapezius

Question 15

What is the function of CN Xll?

Answer 15

Motor to tongue

Question 16

What is it called when you have a lesion of CN l and cannot smell?

Answer 16

anosmia

Question 17

Which CN is associated with edinger Westphal?

Answer 17

CN lll

Question 18

What is the largest CN?

Answer 18

CN V

Question 19

What is the smallest CN?

Answer 19

CN lV

Question 20

Which cranial nerve is affected in Bells Palsy?

Answer 20

CN Vll (superior salivary, branch of chorda tympani)

Question 21

Damage to CN V can cause what condition? (known by two names)

Answer 21

Trigeminal neuroglia (Tic douloureux) pain of the Trigeminal nerve

Question 22

What is the ganglion associated with CN Vlll?

Answer 22

Vestibular ganglion (of SCARPA)

Question 23

What is the nucleus associated with CN lX?

Answer 23

Nucleus Ambiguous (inf. Salivatory)

Question 24

What is the aka for CN X?

Answer 24

Wanderer

Question 25

What is the nuclei associated with CN X?

Answer 25

Parasympathtic Dorsal Motor Nucleus

Question 26

What is the nucleus associated with CN XI?

Answer 26

Nucleus ambiguous

Question 27

What is the nucleus associated with CN Xll?

Answer 27

Hypoglossal

Question 28

What bone do most CN's transverse through?

Answer 28

sphenoid

Question 29

When there is damage to the Vagus nerve it can be seen physically by what structure?

Answer 29

The uvula will point away from the side of lesion

Question 30

If there is damage to the hypoglossal nerve which way will the tongue point?

Answer 30

Towards the lesion

Question 31

Which CN are parasympathetic?

Answer 31

lll, Vll, lX, X (90% of body)

Question 32

Where does the middle meningeal artery exit?

Answer 32

foramen spinosum

Question 33

Where does the internal carotid artery exit?

Answer 33

Foramen lacerum

Question 34

Injury to the PTERION (jxn of sphenoid, temporal, frontal, and pareital bones) "hockey puck" can cause damage to what vasculature?

Answer 34

middle meningeal artery, possible death

Question 35

What does the ANS innervate?

Answer 35

involuntary structures such as heart, smooth muscle, and glands

Question 36

Where are the sympathetics located?

Answer 36

T1-L1/L2 (thoracics

Question 37

Which is true for sympathetics: a. SHORT PREganglionic b. SHORT POSTganglionic

Answer 37

a. SHORT PREganglionic

Question 38

Which is true for sympathetics: a. LONG PREganglionic b. LONG POSTganglionic

Answer 38

b. LONG POSTganglionic

Question 39

What neurotransmitter is released by the SHORT PREganglionic axons of the sympathetics?

Answer 39

ACH

Question 40

Which neurotransmitter is released by LONG POSTganglionic axons of the sympathetics?

Answer 40

Epinephrine and norepinephrine

Question 41

What do the parasympathetics consist of?

Answer 41

CN: lll, Vll, lX, X (mainly X) S2-S4

Question 42

Which is true about parasympathetic axons? a. SHORT PREganglionic b. LONG PREganglionic

Answer 42

b. LONG PREganglionic

Question 43

Which is true for parasympathetic axons? a. LONG POSTganglionic b. SHORT POSTganglionic

Answer 43

b. SHORT POSTganglionic

Question 44

What is the only neurotransmitter released by the parasympathetics (both pre and postganglionic fibers)?

Answer 44

ACH

Question 45

Which is associated with chain ganglion? a. sympathetics b. parasympathetics

Answer 45

a. sympathetics

Question 46

What does the Enteric division control?

Answer 46

GI track

Question 47

What are the two types of neurons (ganglia) of the ANS?

Answer 47

1. Myenteric (Auerbach's) 2. Submucosal (Meissner's)

Question 48

Which of the following is motor innervation for both layers of tunica muscularis? a. Myenteric (Auerbach's) b. Submucosal (Meissner's)

Answer 48

a. Myenteric (Auerbach's)

Question 49

Which of the following is both parasympathetic and sympathetic? ## Footnote a. Myenteric (Auerbach's) b. Submucosal (Meissner's)

Answer 49

a. Myenteric (Auerbach's)

Question 50

Which of the following is secretomotor to lumen? ## Footnote a. Myenteric (Auerbach's) b. Submucosal (Meissner's)

Answer 50

b. Submucosal (meissner's)

Question 51

Which of the following is parasympathetic only? ## Footnote a. Myenteric (Auerbach's) b. Submucosal (Meissner's)

Answer 51

b. submucosal (Meissner's)

Question 52

How many enteric neurotransmitters are there?

Answer 52

over 30

Question 53

Where is 95% of serotonin and 50% of dopamine found?

Answer 53

in bowels

Question 54

What considered the 2nd brain of the body?

Answer 54

ENS

Question 55

What % of the immune system depends on the gut to kill invaders?

Answer 55

70%

Question 56

What part of the actual spinal cord are sympathetics associated with?

Answer 56

lateral horn