Cranial Nerves

Question 1

What is Cranial Nerve #1?

Answer 1

Olfactory nerve

Question 2

What is Cranial Nerve #2?

Answer 2

Optic nerve

Question 3

What is Cranial Nerve #3?

Answer 3

Oculomotor nerve

Question 4

What is Cranial Nerve #4?

Answer 4

Trochlear nerve

Question 5

What is Cranial Nerve #5?

Answer 5

Trigeminal nerve

Question 6

What is Cranial Nerve #6?

Answer 6

Abducens nerve

Question 7

What is Cranial Nerve #7?

Answer 7

Facial nerve

Question 8

What is Cranial Nerve #8?

Answer 8

Auditory/Vestibular nerve

Question 9

What is Cranial Nerve #9?

Answer 9

Glossopharyngeal nerve

Question 10

What is Cranial Nerve #10?

Answer 10

Vagus nerve

Question 11

What is Cranial Nerve #11?

Answer 11

Accessory nerve (or spinal accessory nerve)

Question 12

What is Cranial Nerve #12?

Answer 12

Hypoglossal nerve

Question 13

What CN is this?
- Smell

Answer 13

Olfactory

Question 14

What CN is this?
- Vision

Answer 14

Optic

Question 15

What CN is this?
- Pupil constriction, elevation of the upper lid

Answer 15

Oculomotor

Question 16

What CN is this?
- Eye movement
- Controls superior oblique muscle

Answer 16

Trochlear

Question 17

What CN is this?
- Controls muscles of mastication
- Sensations for the entire face and cornea

Answer 17

Trigeminal

Question 18

What CN is this?
- Eye movement
- Control the lateral rectus muscles

Answer 18

Abducens nerve

Question 19

What CN is this?
- Controls muscles for facial expression
- Anterior 2/3 of the tongue

Answer 19

Facial nerve

Question 20

What CN is this?
- Cochlear branch permits hearing
- Vestibular branch helps maintain equilibrium

Answer 20

Auditory/vestibular/acoustic

Question 21

What CN is this?
- Controls muscles of the throat
- Taste of posterior 1/3 of the tongue

Answer 21

Glossopharyngeal

Question 22

What CN is this?
- Controls muscle of the throat
- Parasympathetic Nervous System stimulation of thoracic and abdominal organs

Answer 22

Vagus

Question 23

What CN is this?
- Controls sternocleidomastoid and trapezius muscles

Answer 23

Accessory (Spinal accessory nerve)

Question 24

What CN is this?
- Movement of the tongue

Answer 24

Hypoglossal

Question 25

CN Function: Olfactory

Answer 25

Sensory

Question 26

CN Function: Optic

Answer 26

Sensory

Question 27

CN Function: Oculomotor

Answer 27

Motor

Question 28

CN Function: Trochlear

Answer 28

Motor

Question 29

CN Function: Trigeminal

Answer 29

Mixed

Question 30

CN Function: Abducens

Answer 30

Motor

Question 31

CN Function: Facial

Answer 31

Mixed

Question 32

CN Function: Auditory/Vestibular

Answer 32

Sensory

Question 33

CN Function: Glossopharyngeal

Answer 33

Mixed

Question 34

CN Function: Vagus

Answer 34

Mixed

Question 35

CN Function: Accessory (Spinal accessory)

Answer 35

Motor

Question 36

CN Function: Hypoglossal

Answer 36

Motor

Question 37

What CN? Abnormal Finding(s): - Anosmia

Answer 37

Olfactory (1)

Question 38

What CN? Abnormal Finding(s): - Papilledema - Blurred vision - Scotoma - Blindness

Answer 38

Optic (2)

Question 39

What CN? Abnormal Finding(s): - Anisocoria (not same size pupils) - Pinpoint pupils - Fixed, dilated pupils

Answer 39

Oculomotor (3)

Question 40

What CN? Abnormal Finding(s): - Nystagmus

Answer 40

Trochlear (4)

Question 41

What CN? Abnormal Finding(s): - Trigeminal Neuralgia (Tic douloureux)

Answer 41

Trigeminal (5)

Question 42

What CN? Abnormal Finding(s): - Diplopia (Double vision) - Ptosis of the eyelid (Droopy eyelid)

Answer 42

Abducens (6)

Question 43

What CN? Abnormal Finding(s): - Bell's palsy - Ageusia (loss of sense of taste) on the anterior 2/3 of the tongue.

Answer 43

Facial (7)

Question 44

What CN? Abnormal Finding(s): - Tinnitus - Vertigo

Answer 44

Vestibular/auditory/acoustic (8)

Question 45

What CN? Abnormal Finding(s): - Loss of gag reflex - Drooling of saliva - Dysphagia (difficulty swallowing) - Dysphonia (voice disorder) - Posterior third ageusia

Answer 45

Glossopharyngeal (9)

Question 46

What CN? Abnormal Finding(s): - Loss of gag reflex - Drooling of saliva - Dysphagia (difficulty swallowing) - Dysarthria (affects the muscles necessary for speech) - Bradycardia - Increased HCl secretion

Answer 46

Vagus (10)

Question 47

What CN? Abnormal Finding(s): - Inability to rotate head and move the shoulders

Answer 47

Spinal accessory (11)

Question 48

What CN? Abnormal Finding(s): - Protrusion of the tongue or deviation of the tongue to one side of the mouth

Answer 48

Hypoglossal (12)