Cranial nerves

Question 1

Pineal gland

Answer 1

Melatonin secretion and circadian rhythms

Question 2

Superior colliculi

Answer 2

Conjugate vertical gaze center

Question 3

Inferior colliculi

Answer 3

Auditory

Question 4

What is parinaud syndrome?

Answer 4

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

Question 5

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

Answer 5

CN 3 and 4

Question 6

Which cranial nerve nuclei are found in the pons?

Answer 6

5,6,7,8

Question 7

Which cranial nerve nudlei are found in the medulla?

Answer 7

9 10 12

Question 8

Which cranial nerve nuclei are found in the spinal cord?

Answer 8

CN 11

Question 9

What form of nuclei are motor?

Answer 9

Medial nuclei

Question 10

Which form of nuclei are sensory

Answer 10

Lateral nuclei

Question 11

What bone does CN 2-6 pass through?

Answer 11

The sphenoid bone

Question 12

Which foramen does CN II pass through?

Answer 12

Optic canal

Question 13

What foramen does CN 3 pass through?

Answer 13

Superior orbital fissure

Question 14

What foramen does CN IV pass through?

Answer 14

Superior orbital fissure

Question 15

What foramen does CN V1 pass through?

Answer 15

Superior orbital fissue

Question 16

What foramen does CN VI pass through?

Answer 16

Superior orbital fissure

Question 17

What vasculature goes throgh the superior orbital fissure?

Answer 17

Opthalmic vein.

Question 18

What goes through the foramen rotundum?

Answer 18

CN V2

Question 19

What goes through the foramen ovale?

Answer 19

CN V3

Question 20

What goes through the foramen spinosusm?

Answer 20

Middle meningeal artery

Question 21

Which CN go through the internal auditory meatus?

Answer 21

CN VII and CN VIII

Question 22

Which cranial nerve passes through the jugular foramen?

Answer 22

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

Question 23

Which CN passes through the foramen magnum?

Answer 23

CN XI
Brainstem
Vertebral arteries

Question 24

Which cranial nerve controls eyelid opening and pupillary constriction?

Answer 24

Oculomotor CN III

Question 25

Which nerve controls the obicularis oculus?

Answer 25

CN 7

Question 26

Which nerve controls the stapedius?

Answer 26

CN7

Question 27

Which nerve innervates the salivary glands (not the parotid)

Answer 27

CN 7

Question 28

Which nerve controls lacrimation?

Answer 28

CN7

Question 29

Which neck muscle does CN 9 innervate that is unique?

Answer 29

Stylopharangeus helping with swallowing elevating the pharynx and lrynx

Question 30

Which CN controls the parotid gland?

Answer 30

CN9

Question 31

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

Answer 31

CN 9 glossopharyngeal.

Question 32

Which CN monitors the aortic arch chemoreceptors?

Answer 32

CN X

Question 33

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

Answer 33

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

Question 34

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

Answer 34

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

Question 35

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

Answer 35

Sends autonomic (parasympathetic) fibers to the heart, lungs, and upper GI CN X talks to it.

Question 36

Corneal reflex afferent and efferent nerve

Answer 36

``` V1 afferent VII efferent (temporal branch; obicularis occuli) ```

Question 37

Lacrimation reflex afferent and efferent

Answer 37

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

Question 38

Jaw jerk reflex aferent and efferent

Answer 38

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

Question 39

Pupillary reflex afferent and efferent

Answer 39

Afferent CN II | Efferent CN III

Question 40

Gag reflex afferent and efferent

Answer 40

IX afferent | X efferent