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Anatomy II > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

What is the name for CNI

A

Olfactory n.

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2
Q

Which CN gives the sense of smell?

A

Olfactory n.

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3
Q

How does one test CNI?

A

Wave non-irritating smell under the nose.

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4
Q

What is the name for CNII?

A

Optic n.

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5
Q

Which CN gives the sense of sight?

A

Optic n.

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6
Q

How does CN II work?

A

Transmits retinal images back to the occipital lobe.

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7
Q

How does one test CN II?

A

Snellen chart and fundoscopic examination.

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8
Q

What is the name for CN III?

A

Oculomotor n.

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9
Q

Which CN innervates the muscles that control the movement of the eye?

A

Oculomotor n.

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10
Q

Which CN innervates the muscles that control the eyelids?

A

Oculomotor n.

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11
Q

Which CN controls the muscles for pupillary constriction

A

Oculomotor n.

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12
Q

How does one test CN III?

A

At the same time as testing for CN IV and VI: observe the movement of the eye as patient follows a moving object. Shine a light into the eye to test pupillary constriction.

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13
Q

What is the name for CN IV?

A

Trochlear n.

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14
Q

Which nerve innervates the superior oblique muscle of the eye?

A

Trochlear n.

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15
Q

How does one test CN IV?

A

Observe the ailment of the eye. Patient follows a moving object with the eye.

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16
Q

What is the name for CN VI?

A

Abducens n.

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17
Q

Which nerve innervates the lateral rectus muscle of the eye?

A

Abducens n.

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18
Q

How does one test CN VI?

A

Observe the ailment of the eye. Patient follows a moving object with the eye.

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19
Q

What is the name for CN V?

A

Trigeminal n.

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20
Q

What nerve provides sensory innervation to most of the face?

A

Trigeminal n.

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21
Q

What nerve provides motor innervation to the muscles of mastication?

A

Trigeminal n.

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22
Q

What nerve controls corneal reflex?

A

Trigeminal n.

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23
Q

How does one test CN V?

A

Lightly touching the face and cornea with cotton swab. Observe bite strength.

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24
Q

What is the name for CN VII?

A

Facial n.

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25
Q

What nerve provides motor innervation for the muscles of facial expression?

A

Facial n.

26
Q

What nerve provides parasympathetic motor innervation to the lacrimal gland and sinuses?

A

Facial n.

27
Q

What are the 2 branches of the facial n.?

A

Nerve to the stapedius muscle, which innervates the stapedius muscle of the inner ear.
Chorda tympani, which provides special sense innervation from the anterior 2/3 of the tongue.

28
Q

How does one test CN VII?

A

Ask the patient to make various facial expressions. For taste, dip cotton swab in flavored substance and place on the anterior 2/3 of the tongue.

29
Q

What nerve activates the efferent response of the cornea?

A

Facial n.

30
Q

What is the name for CN VIII?

A

Vestibulocochlear n.

31
Q

What are the 2 major divisions of the vestibulocochlear nerve?

A

Vestibular n., which determines head position/acceleration information from the inner ear.
Cochlear n., which processes the sensation of sound information from the inner ear.

32
Q

How does one test CN VIII?

A

Tuning fork (Weber and Rinne tests). For the vestibular system: head movements introduced and eyes observed for nystagmus.

33
Q

What is the name for CN IX?

A

Glossopharyngeal n.

34
Q

What CN provides sensory innervation for the carotid bodies/sinus?

A

Glossopharyngeal n.

35
Q

What CN provides sensory innervation for the posterior 1/3 of tongue?

A

Glossopharyngeal n.

36
Q

What CN provides sensory innervation for the pharynx and middle ear?

A

Glossopharyngeal n.

37
Q

What CN provides motor innervation to the stylopharyngeus muscle and the parotid gland?

A

Glossopharyngeal n.

38
Q

How does one test CN IX?

A

Assess taste on the posterior 1/3 of tongue. Determine if sensation is intact on arches of the palate.

39
Q

What is the name for CN X?

A

Vagus n.

40
Q

What CN provides parasympathetic innervation to all the organs below the neck?

A

The vagus n.

41
Q

What CN provides motor innervation for the muscles of speech?

A

Vagus n.

42
Q

How does one test CN X?

A

Open and say “ahh” and observe the uvula. Observe for normal speech.

43
Q

What is the name for CN XI?

A

Accessory (spinal) n.

44
Q

Which nerve provides motor innervation to the sternocleidomastoid and trapezius?

A

Accessory n.

45
Q

How does one test CN XI?

A

Ask the patient to contract muscles against resistance.

46
Q

What is the name for CN XII?

A

Hypoglossal n.

47
Q

What CN provides motor innervation to the muscles of the tongue except the palatoglossus m.?

A

Hypoglossal n.

48
Q

How does one test CN XII?

A

Ask patient to stick out their tongue. Deviation of the tongue indicates dysfunction.

49
Q

What does “the tongue licks the wound” refer to?

A

If there is a problem with the hypoglossal nerve and the tongue deviates to one side, the problem is on the same side.

50
Q

Which nerve passes through the cribiform plate?

A

Olfactory n.

51
Q

Which nerve passes through the optic canal?

A

Optic n.

52
Q

Which nerves pass through the superior orbital fissure?

A

Oculomotor n., trochlear n., the opthalmic branch of the trigeminal n. and the abducens.

53
Q

Which nerve passes through the foramen rotundum?

A

Maxillary branch of the trigeminal n.

54
Q

Which nerve passes through the foramen ovale?

A

Mandibular branch of the trigeminal n.

55
Q

Which nerves pass through the internal acoustic meatus?

A

Facial n. and vestibulocochlear n.

56
Q

Which nerves pass through the jugular foramen?

A

Glossopharyngeal, vagus, and accessory n.

57
Q

Which nerve passes through the hypoglossal canal?

A

Hypoglossal n.

58
Q

What is the pneumonic for the cranial nerves?

A

Oh, Oh, Oh, To Touch And Feel Vintage Green Velvet, Ah Heaven

59
Q

What is the pneumonic for which nerves provide motor, sensory, or both?

A

Some Say Marry Money, But My Brother Says Big Brains Matter More

60
Q

What is the pneumonic to remember where the cranial nerves pass through?

A

Come On, 3 Sisters, & 2nd Friend’s Sister, 2ndary Infections Just Just Just Hurt.

Anatomy II (5 decks)

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