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Cranial Nerves Flashcards

1
Q

CNII

A

Optic Nerve

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2
Q

CNIII

A

Oculomotor Nerve

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3
Q

CNIV

A

Trochlear Nerve

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4
Q

CNV

A

Trigeminal Nerve

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5
Q

What are the three divisions of the trigeminal nerves?

A

Ophthalmic division, Maxillary Division, Mandibular Division

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6
Q

CNVII

A

Facial Nerve

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7
Q

CNVIII

A

Vestibulocochlear Nerve

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8
Q

CNIX

A

Glossopharyngeal nerve

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9
Q

CNX

A

Vagus Nerve

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10
Q

CNXI

A

Accessory Nerve

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11
Q

What are the two components of CNXI?

A

Cranial Motor Component and Spinal Motor Component

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12
Q

CNXII

A

Hypoglossal Nerve

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13
Q

CN1

A

Olfactory Nerve

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14
Q

What nerve passes through the cribriform plate?

A

Olfactory Nerve CN I

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15
Q

What cranial nerve and artery passes through the optic canal?

A

Optic nerve CN II and opthalamic artery

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16
Q

What nerves pass through the superior orbital fissure?

A

Oculomotor (CN III) , trochlear (CN IV), opthalamic branch of the trigeminal nerve (CN V), and the abducens nerve (CN VI)

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17
Q

What nerve passes through foramen rotundum?

A

Maxillary division of the trigeminal nerve (CN V)

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18
Q

What nerve passes through the foramen ovale?

A

Mandibular division of the trigeminal nerve (CN V)

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19
Q

What artery passes through the foramen spinosum?

A

Middle meningeal artery

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20
Q

The foramen lacerum is closed with what kind of cartilage?

A

Fibrocartilage

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21
Q

What passes through the carotid canal?

A

Internal carotid artery passing along the superior margin of the foramen lacerum

22
Q

What nerves pass through the internal acoustic canal?

A

Vestibulocochlear nerve (CN VIII) and Facial Nerve (CN VII) entering the skull

23
Q

What nerves pass through the jugular foramen?

A

Glossopharyngeal (CN IX) , vagus (X), and accessory nerves (CN XI, spinal motor component, and cranial motor component. Internal jugular vein

24
Q

What passes through the foramen magnum?

A

Vertebral arteries. Right and left. Spinal motor component of the accessory nerve (CN XI).

25
Q

What foramen is a landmark division between the medulla oblongata and spinal cord of the CNS?

A

Foramen magnum

26
Q

What nerve passes through the hypoglossal canal?

A

Hypoglossal nerve (CN XII)

27
Q

What passes through the infra orbital foramen in an anterior view?

A

Maxillary division of the trigeminal nerve (CN V)

28
Q

What passes through the mental foramen in the anterior view?

A

Mental nerve of the Mandibular division CN V

29
Q

What passes through the incisive foramen in the inferior view?

A

Nasopalatine nerve

30
Q

What passes through the Mandibular foramen from an inferior view?

A

Inferior alveolar nerve (branch of the Mandibular division of CN V)

31
Q

What passes through the stylomastoid foramen from an inferior view?

A

Facial nerve (CN VII) exiting the skull

32
Q

What innervates the anterior belly of the digastric?

A

Mandibular branch of the trigeminal nerve CN V

33
Q

What innervates the posterior belly of the digastric?

A

Facial Nerve CN VII

34
Q

What innervates the stylohyoid?

A

Facial Nerve CN VII

35
Q

What innervates the mylohyoid?

A

Mandibular branch of the trigeminal Nerve CN V

36
Q

What innervates the thyrohyoid?

A

Hypoglossal Nerve CN XII

37
Q

What innervates the sternocleidomastoid?

A

Accessory Nerve CN XI

38
Q

What innervates the cricothyroid?

A

Vagus Nerve CN X

39
Q

Name innervation(s) of the olfactory CN I and whether it is sensory or motor?

A

Nasal cavity/smell. Sensory

40
Q

Name innervation of optic nerve CN II and whether it is sensory or motor.

A

Eye/vision. Sensory

41
Q

Name innervation of CNIII and whether it is sensory or motor.

A

Extrinsic muscles of eye. Motor

42
Q

Innervation and function of CN IV

A

Superior oblique muscle of eye. Motor

43
Q

Innervation and function of CNV ophthalmic branch

A

Skin of eyelids, scalp, nose, lacrimal gland. Sensory

44
Q

Innervation and function of CN V Maxillary Branch

A

Upper teeth, palate, skin of cheek, upper lip. Sensory

45
Q

Innervation and function of CN V Mandibular branch

A

Tongue, lower teeth, skin of jaw, and temporal region. Sensory

46
Q

Innervation and function of CN 6

A

Lateral rectus muscle.motor

47
Q

Innervation and function of CN VII

A

Taste buds of tongue (sensory) and stimulate glands skeletal muscle of face (motor)

48
Q

Innervation and function of CN VIII

A

Vestibular branch, equilibrium (sensory) and cochlear branch, hearing (sensory)

49
Q

Innervation and function of CN IX

A

Pharyngeal muscles, parotid gland (motor) and posterior tongue, pharynx, and carotid sinus (sensory)

50
Q

Innervation and function of CN X

A

Pharyngeal and laryngeal muscles, lungs, abdominal viscera (motor). Pharynx, larynx, and visceral organs (sensory)

51
Q

CN XI innervation and function

A

Trapezius and sternocleidomastoid, pharynx, larynx, and soft palate (motor)

52
Q

CN XII innervation and function

A

Extrinsic and intrinsic muscle of tongue (motor)

Anatomy (16 decks)

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