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Head And Neck > Exam 2 > Flashcards

Exam 2 Flashcards

0
Q

The origin for the first cranial nerve is…

A

from the nerve cell bodies are in the olfactory epithelium (olfactory cells)

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1
Q

Olfactory nerve is…

A

the first cranial nerve, special sensory for smell (special visceralafferent)

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2
Q

Cranial exit of the 1st CR N.

A

cribriform plate of ethmoid

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3
Q

The lateral olfactory stria terminates…

A

pririform cortex of the anterior part of temporal lobe of cerebrum

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4
Q

The medial olfactory stria terminates…

A

through the anterior commissure

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5
Q

The optic nerve is…

A

second cranial nerve, special sensory for vision (special somatic afferent)

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6
Q

The origin for the optic nerve

A

the axons of the ganglion

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7
Q

Cranial exit of the optic nerve

A

Optic canal

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8
Q

Most fibers of the optic nerve terminates..

A

in the lateral geniculate bodies of the thalamus

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9
Q

Which nerves control the eye muscles?

A

Nerves 3, 4, & 6

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10
Q

Oculomotor nerve is

A

third cranial nerve, motor nerve of the eye, somatic motor

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11
Q

The origin of the oculomotor nerve is

A

at the level of superior colliculus

also from the accessory nucleus (Edinger Westphal)

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12
Q

Cranial exit of the oculomotor nerve

A

Superior orbital fissure

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13
Q

Oculomotor nerve inferior division (the nerve to inferior oblique)

A

carries presynaptic parasympathetic (visceral efferent) fibers to the ciliary ganglion

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14
Q

Torchlear nerve is

A

the fourth cranial nerve, motor nerve of the eye, somatic motor (general somatic efferen

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15
Q

Origin of the Torchlear N

A

at the level of inferior colliculus

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16
Q

Cranial exit for the Torchlear N

A

through superior orbital fissure

Exits dorsal aspect of brain

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17
Q

Termination of the Torchlear N

A

superior oblique muscle of the eye

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18
Q

Trigeminal N is

A

the fifth cranial nerve and the largest of all the cranial nerve

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19
Q

Origin of the Trigeminal N

A

four nuclei, motor nucleus of trigeminal nerve and three sensory nuclei, mesencephalic nucleus, spinal nucleus of trigeminal nerve

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20
Q

Trigeminal N exits

A

lateral aspect of the pons

composed mainly of the central processes of the pseudounipolar neurons that make up the trigeminal ganglion

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21
Q

Trigeminal N splits into three nerves

A

Opthalmic nerve, maxillary nerve, and mandibular nerve

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22
Q

Opthalmic nerve

A

Somatic (general) sensory

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23
Q

Origin of the opthalmic nerve

A

Nerve cell bodies in Trigeminal nerve

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24
Q

Cranial exit for opthalmic nerve is

A

Superior orbital fissure

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25
Q

Branches if the opthalmic nerve

A

Frontal nerve, lacrimal nerve, nasociliary nerve.

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26
Q

Maxillary nerve

A

Somatic (general) sensory

27
Q

Origin of the maxillary nerve

A

Nerve cell bodies in Trigeminal nerve

28
Q

Cranial exit of the maxillary nerve

A

Foramen rotundum

29
Q

Branches of the maxillary nerve

A

Zygomatic nerve, greater palatine, lesser palatine, nasopalatine nerve

30
Q

Mandibular nerve

A

Mixed nerve, somatic (bronchial) motor

31
Q

Origin of the mandibular nerve

A

Nerve cell bodies in the pons

32
Q

Cranial exit of the mandibular nerve

A

Foramen ovale

33
Q

Branches of the mandibular nerve

A

Auricuotemporal nerve, lingual nerve, anterior digastric

*lingual nerve carries general sensation from the anterior 2/3 of the tongue.

34
Q

Abducens nerve is

A

sixth cranial nerve, motor nerve of the eye (somatic motor)

35
Q

Origin of the abducens nerve

A

lies in pons

36
Q

Cranial nerve exit for the abducens nerve

A

Superior orbital fissure

37
Q

Termination of the abducens nerve

A

penetrating the medial surface of lateral rectus muscle

38
Q

Facial nerve

A

seventh cranial nerve, a mixed nerve, somatic (bronchial) motor

39
Q

Origin of the facial nerve

A

ventrolateral part of the pons

Sensory neurons are in the geniculate ganglion

40
Q

Cranial exit for the facial nerve

A

enters through internal acoustic meatus and runs in the facial canal
Exits - stylomastoid foramen

41
Q

Main functions of the facial nerve

A

chorda tympani nerve, carries taste / special sensation / gustatory fromanterior two-thirds of tongue

42
Q

Vestibulocochlear nerve

A

eighth cranial nerve, a special sensory nerve, the nerve ofhearing, equilibrium and balance

43
Q

Origin of the Vestibulocochlear nerve

A

Nerve cell bodies in Vestibular ganglion

*vestibular ganglion - bipolar neurons

44
Q

Cranial exit of the Vestibulocochlear nerve

A

Acoustic meatus

45
Q

Cochlear nerve

A

Special sensory nerve

46
Q

Origin of the cochlear nerve

A

Nerve cell bodies of the spiral ganglion

47
Q

Cranial exit of the cochlear nerve

A

Internal acoustic meatus

48
Q

Glossopharyngeal nerve

A

ninth cranial nerve, a mixed nerve

49
Q

Origin of the glossopharyngeal nerve

A

four nuclei, two motor and two sensory
Motor nuclei are nucleus ambiguous
Sensory nuclei nucleus of the solitary

50
Q

Cranial exit for the glossopharyngeal nerve

A

Jugular foramen

51
Q

Parasympathetic innervation of the glossopharyngeal nerve

A

Parotid gland

52
Q

Branches of the glossopharyngeal nerve

A

Carotid sinus nerve, and pharyngeal nerve

53
Q

Main functions of the glossopharyngeal nerve

A

both general and taste/ gestation sensation from posterior 1/3 of the tongue

54
Q

Vagas nerve

A

tenth cranial nerve, mixed nerve and longest cranial nerve

55
Q

Nuclei of origin of vagus nerve

A

Two sensory and two motor nuclei
Motor nuclei - ambiguous
Sensory nuclei - solitary tract

56
Q

Cranial exit for the vagus nerve

A

Jugular foramen

57
Q

Main actions of the vagus nerve

A

motor to muscles of pharynx (except stylopharyngeus), intrinsic musclesof larynx, muscles of palate (except tensor veli palatini)

58
Q

Accessory nerve

A

eleventh cranial nerve, somatic motor

59
Q

Accessory nerve consists of

A

Two components, cranial and spinal part

* cranial part - nucleus ambiguous

60
Q

Cranial exit of the accessory nerve

A

Jugular foramen

61
Q

Hypoglossal nerve

A

twelfth cranial nerve and is the motor nerve of the tongue

62
Q

Origin of the hypoglossal nerve

A

located in the medulla oblongata

63
Q

Cranial exit of the hypoglossal nerve

A

Hypoglossal canal

64
Q

Termination of the hypoglossal nerve

A

Anterior part of the tongue

65
Q

Main actions of the hypoglossal nerve

A

motor to intrinsic and extrinsic muscles of tongue except palatoglossus

66
Q

Cranial meninges layers

A 
Dura mater (external, thick fibrous membrane) 
Arachnoid mater (an intermediate, delicate membrane) 
Pia mater (an internal vascular membrane)

Head And Neck (2 decks)

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