Cranial Nerves Flashcards Preview

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Flashcards in Cranial Nerves Deck (52):
1

CNII

Optic Nerve

2

CNIII

Oculomotor Nerve

3

CNIV

Trochlear Nerve

4

CNV

Trigeminal Nerve

5

What are the three divisions of the trigeminal nerves?

Ophthalmic division, Maxillary Division, Mandibular Division

6

CNVII

Facial Nerve

7

CNVIII

Vestibulocochlear Nerve

8

CNIX

Glossopharyngeal nerve

9

CNX

Vagus Nerve

10

CNXI

Accessory Nerve

11

What are the two components of CNXI?

Cranial Motor Component and Spinal Motor Component

12

CNXII

Hypoglossal Nerve

13

CN1

Olfactory Nerve

14

What nerve passes through the cribriform plate?

Olfactory Nerve CN I

15

What cranial nerve and artery passes through the optic canal?

Optic nerve CN II and opthalamic artery

16

What nerves pass through the superior orbital fissure?

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

17

What nerve passes through foramen rotundum?

Maxillary division of the trigeminal nerve (CN V)

18

What nerve passes through the foramen ovale?

Mandibular division of the trigeminal nerve (CN V)

19

What artery passes through the foramen spinosum?

Middle meningeal artery

20

The foramen lacerum is closed with what kind of cartilage?

Fibrocartilage

21

What passes through the carotid canal?

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

22

What nerves pass through the internal acoustic canal?

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

23

What nerves pass through the jugular foramen?

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

24

What passes through the foramen magnum?

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

25

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

Foramen magnum

26

What nerve passes through the hypoglossal canal?

Hypoglossal nerve (CN XII)

27

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

Maxillary division of the trigeminal nerve (CN V)

28

What passes through the mental foramen in the anterior view?

Mental nerve of the Mandibular division CN V

29

What passes through the incisive foramen in the inferior view?

Nasopalatine nerve

30

What passes through the Mandibular foramen from an inferior view?

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

31

What passes through the stylomastoid foramen from an inferior view?

Facial nerve (CN VII) exiting the skull

32

What innervates the anterior belly of the digastric?

Mandibular branch of the trigeminal nerve CN V

33

What innervates the posterior belly of the digastric?

Facial Nerve CN VII

34

What innervates the stylohyoid?

Facial Nerve CN VII

35

What innervates the mylohyoid?

Mandibular branch of the trigeminal Nerve CN V

36

What innervates the thyrohyoid?

Hypoglossal Nerve CN XII

37

What innervates the sternocleidomastoid?

Accessory Nerve CN XI

38

What innervates the cricothyroid?

Vagus Nerve CN X

39

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

Nasal cavity/smell. Sensory

40

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

Eye/vision. Sensory

41

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

Extrinsic muscles of eye. Motor

42

Innervation and function of CN IV

Superior oblique muscle of eye. Motor

43

Innervation and function of CNV ophthalmic branch

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

44

Innervation and function of CN V Maxillary Branch

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

45

Innervation and function of CN V Mandibular branch

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

46

Innervation and function of CN 6

Lateral rectus muscle.motor

47

Innervation and function of CN VII

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

48

Innervation and function of CN VIII

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

49

Innervation and function of CN IX

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

50

Innervation and function of CN X

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

51

CN XI innervation and function

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

52

CN XII innervation and function

Extrinsic and intrinsic muscle of tongue (motor)