quick memorization

Question 1

Which nerves contribute to corneal reflex?

Answer 1

V1 (a) and 7 (e)

Question 2

What do you see with a lesion of CN X?

Answer 2

uvula deviates away from side of lesion. Weak side collapses and uvula points away.

Question 3

optic canal

Answer 3

CN 2

Question 4

What do you see with a lesion of CN V motor?

Answer 4

Jaw deviates toward side of lesion due to unopposed force from the opposite pterygoid muscle

Question 5

Rooting Reflex

Answer 5

Movement of head toward one side if cheek or mouth is stroked (nipple seeking)

Question 6

foramen rotundum

Answer 6

V2

Question 7

Which nerves contribute to lacrimation reflex?

Answer 7

V1 (a) and 7 (e)

Question 8

metachromatic leukodystrophy

Answer 8

AR lysosomal storage disease; deficiency arylsulfatase A deficiency; destruction of myelin sheath; ataxia and dementia

Question 9

Does CN 10 carry sensory/motor/both

Answer 9

Both

Question 10

cribiform plate

Answer 10

CN 1

Question 11

internal acoustic meatus

Answer 11

CN 7, 8

Question 12

What is the function of the nucleus aMbiguus and which CN contribute?

Answer 12

Motor innervation of pharynx, larynx, upper esophagus (swallowing, palate elevation); 9, 10, 11

Question 13

Palmar Reflex

Answer 13

Curling of fingers if palm is stroked

Question 14

What is the function of the nucleus Solitarius and which CN live there?

Answer 14

Visceral Sensory information (taste, baroreceptors, gut distention); CN 7, 9, 10

Question 15

Charco-Marie-Tooth Disease

Answer 15

AD defective nerve/myelin sheath proteins; AD and associated with foot deformities (pes cavus)

Question 16

Which nerves contribute to jaw jerk reflex?

Answer 16

both V3

Question 17

Plantar Reflex

Answer 17

Dorsiflexion of large toe and fanning of other toes with plantar stimulation
Babinski sign - presence of this reflex in an adult, which may signify a UMN lesion

Question 18

What do you see with CN XI lesion?

Answer 18

Weakness turning head to contralateral side of lesion (SCM). Shoulder droop on side of lesion (trapezius)

Question 19

Suckling Reflex

Answer 19

Sucking response when roof of mouth is touched

Question 20

Does CN 2 carry sensory/motor/both

Answer 20

Sensory

Question 21

Galant Reflex

Answer 21

Stroking along one side of the spine while newborn is in ventral suspension (face down) causes lateral flexion of lower body toward stimulated side

Question 22

Which nerves contribute to gag reflex?

Answer 22

9 (a) and 10 (e)

Question 23

foramen spinosum

Answer 23

middle meningeal artery

Question 24

Does CN 7 carry sensory/motor/both

Answer 24

Both

Question 25

hypoglossal canal

Answer 25

CN 12

Question 26

foramen ovale

Answer 26

V3

Question 27

What do you see with CN XII lesion?

Answer 27

LMN lesion. Tongue deviates toward side of lesion (lick your wounds) due to weakened tongue

Question 28

progressive multifocal leukoencephalopathy

Answer 28

destruction of oligodendrocytes; AIDs patients due to reactivation of latent JC virus; rapidly progressive and fatal; + risk with natalizumab, rituximab

Question 29

Krabbe disease

Answer 29

AR lysosomal storage disease; deficiency of galactocerebrosidase; destruction of myelin sheath; peripheral neuropathy, developmental delay, optic atrophy, globoid cells

Question 30

which outlets do CN V1, V2, V3 come out of

Answer 30

superior orbital fissure, foramen rotundum, foramen ovale (SRO)

Question 31

jugular foramen

Answer 31

CN 9, 10 ,11

Question 32

Whats the mneumonic to remeber this?

Answer 32

Some Say Marry Money But My Brother Says Big Brains Matter Most

Question 33

Which nerves contribute to pupillary reflex?

Answer 33

2 (a) and 3(e)

Question 34

superior orbital fissure

Answer 34

CN 3, 4, V1, 6

Question 35

Moro Reflex

Answer 35

“Hang on for life” reflex - abduct/extend arms when startled, and then draw together