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Flashcards in Cranial nerves Deck (40)
1

Pineal gland

Melatonin secretion and circadian rhythms

2

Superior colliculi

Conjugate vertical gaze center

3

Inferior colliculi

Auditory

4

What is parinaud syndrome?

Paralysis of conjugate vertical gaze due to a lesion in the superior colliculi

5

the nuclei of which cranial nerves is found in the midbrain?

CN 3 and 4

6

Which cranial nerve nuclei are found in the pons?

5,6,7,8

7

Which cranial nerve nudlei are found in the medulla?

9 10 12

8

Which cranial nerve nuclei are found in the spinal cord?

CN 11

9

What form of nuclei are motor?

Medial nuclei

10

Which form of nuclei are sensory

Lateral nuclei

11

What bone does CN 2-6 pass through?

The sphenoid bone

12

Which foramen does CN II pass through?

Optic canal

13

What foramen does CN 3 pass through?

Superior orbital fissure

14

What foramen does CN IV pass through?

Superior orbital fissure

15

What foramen does CN V1 pass through?

Superior orbital fissue

16

What foramen does CN VI pass through?

Superior orbital fissure

17

What vasculature goes throgh the superior orbital fissure?

Opthalmic vein.

18

What goes through the foramen rotundum?

CN V2

19

What goes through the foramen ovale?

CN V3

20

What goes through the foramen spinosusm?

Middle meningeal artery

21

Which CN go through the internal auditory meatus?

CN VII and CN VIII

22

Which cranial nerve passes through the jugular foramen?

CN 9, 10, and 11 along with the jugular vein.

23

Which CN passes through the foramen magnum?

CN XI
Brainstem
Vertebral arteries

24

Which cranial nerve controls eyelid opening and pupillary constriction?

Oculomotor CN III

25

Which nerve controls the obicularis oculus?

CN 7

26

Which nerve controls the stapedius?

CN7

27

Which nerve innervates the salivary glands (not the parotid)

CN 7

28

Which nerve controls lacrimation?

CN7

29

Which neck muscle does CN 9 innervate that is unique?

Stylopharangeus helping with swallowing elevating the pharynx and lrynx

30

Which CN controls the parotid gland?

CN9

31

Which CN monitors the carotid body and other chemo/baroreceptors?

CN 9 glossopharyngeal.

32

Which CN monitors the aortic arch chemoreceptors?

CN X

33

What does the nucleus solitaris carry and which CN talk to it?

Carries visceral sensory (taste, baroreceptors, gut distension)
CN 7, 9 ,10

34

What does nucleus ambiguus carry and which nerves does it talk to?

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

35

What does the dorsal motor nucleus carry and which nerves does it talk to?

Sends autonomic (parasympathetic) fibers to the heart, lungs, and upper GI

CN X talks to it.

36

Corneal reflex afferent and efferent nerve

V1 afferent
VII efferent (temporal branch; obicularis occuli)

37

Lacrimation reflex afferent and efferent

V1 afferent (loss of reflex doesnt preclude emotional tears)
VII efferent

38

Jaw jerk reflex aferent and efferent

V3 (muscle spindle sensory in masseter)
V3 motor to the masseter

39

Pupillary reflex afferent and efferent

Afferent CN II
Efferent CN III

40

Gag reflex afferent and efferent

IX afferent
X efferent

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