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OSCE > Trigeminal Nerve > Flashcards

Trigeminal Nerve Flashcards

1
Q

WHAT IS THE MOTOR PART FOR

A

MOM

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2
Q

WHAT IS THE SENSORY PART FOR

A

sensation to the skin of face, oro-nasal sinuses and teeth

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3
Q

THE ORIGIN

A

mid pons level in the brainstem

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4
Q

WHAT ARE THE 3 NUCLEI AND THEIR LOCATION

A

mesencephalic = brainstem
chief sensory = pons
spinal = medulla

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5
Q

WHAT IS THE FUNCTION OF THE MESENCEPHALIC NUCLEUS

A

proprioception

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6
Q

WAHT IS THE FUNCTION OF THE CHIEF SENSORY NUCLEUS

A

discriminative touch

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7
Q

WHAT IS THE FUNCTION OF THE SPINAL NUCLEUS

A

pain and temp of structures supplied by CNV

general conscious sedation for viscera supplied by CNV IX/X

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8
Q

WHERE IS THE TRIGEMINAL GANGLION

A

in Meckel’s cave of dura matter

at the apex of the petrous temporal bone

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9
Q

WHERE DO CNV1/2 GO AFTER THE TRIGEMINAL GANGLION

A

the lateral wall of the cavernous sinus

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10
Q

WHERE DOES V1 EXIT THE BASE OF THE SKULL AND WHAT DOES IT ENTER

A

superior orbital fissure into the orbit

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11
Q

WHERE DOES V2 EXIT THE BASE OF THE SKULL

A

foramen rotundum into the pterygopalatine fossa

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12
Q

WHERE DOES V3 EXIT THE BASE OF THE SKULL AND WHAT DOES IT ENTER

A

foramen ovale into the infratemporal fossa

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13
Q

WHERE IS THE SPHENOPALATINE FORAMEN AND WHAT PASSES HERE

A

in the pterygopalatine fossa, the nasopalatine branch of V2 goes through here to the nasal cavity and enters the palatine process of the maxilla through the incisive foramen

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14
Q

WHERE ARE THE FORAMEN ROTUNDUM AND OVALE

A

middle cranial fossa

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15
Q

WHAT ARE THE MAIN 3 BRANCHES OF THE V1

A

frontal
lacrimal
nasocilliary

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16
Q

WHAT ARE THE BRANCHES OF THE FRONTAL NERVE

A

supratrochlear

supraorbital

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17
Q

WHAT DO THE SUPRATROCHLEAR AND SUPRAORBITAL NERVES SUPPLY

A

the skin of the vertex, upper eyelid and the forehead

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18
Q

WHAT DOES THE LACRIMAL NERVE SUPPLY

A

lacrimal gland, skin of vertex and upper eyelid

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19
Q

WHAT ARE THE BRANCES OF THER NASOCILLIARY

A 
anterior ethomiodal
- external nasal 
posterior ethmoidal 
- infratrochlear 
long ciliary
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20
Q

WHAT DOES THE EXTERNAL NASAL BRANCH OF THE NASOCILLIARY NERVE OF V1 SUPPLY

A

the tip of the nose

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21
Q

WHAT DOES THE INFRATROCHLEAR BRANCH OF THE NASOCILLIARY NERVE OF V1 SUPPLY

A

skin of medial upper eyelid and root of nose

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22
Q

WHAT ARE THE MAIN BRANCHES OF V2

A

zygomatic
infra-orbital
palatine

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23
Q

WHAT ARE THE BRANCHES OF THE ZYGOMATIC NERVE OF V2

A

zygomaticofacial

zygomaticotemporal

24
Q

WHAT DO THE ZYGOMATICO TEMPORAL AND ZYGOMATICOFACIAL NEVRE SUPPLY

A

the anterior temple and the skin over the zygoma

25
Q

WHAT ARE THE BRANCHES OF THE INFRAORBIATAL NERVE

A

main trunk
anterior superior alveolar
middle superior alveolar
posterior superior alveolar

26
Q

WHAT DOES THE MAIN TRUNK OF THE INFRA-ORBITAL NERVE SUPPLY

A

skin of lower eyelid, nose and, cheek and upper lip

27
Q

WHAT DOES THE SUPERIOR ALVEOLAR NERVE SUPPLY

A

anterior = incisors and canines
middle = premolars
posterior = molars
and their buccal gingiva

28
Q

WHAT ARE THE BRANCHES OF PTERGOPALATINE GANLION

A

greater / lesser / nasopalatine

29
Q

WHAT DOES THE NASOPALTINE BRANCH OF V2 SUPPLY

A

the anterior hard palate and palatal gingiva for incisors and canines

30
Q

WHAT DOES THE GREATER PALATINE BRANCH OF V2 SUPPLY

A

the posterior hard palate and the palatal gingiva of the premolars and the molars

31
Q

WHAT DOES THE LESSER PALATINE BRANCH FROM V2 SUPPLY

A

the soft palate

32
Q

WHAT ARE THE 3 TRUNKS OF V3

A

main
anterior
posterior

33
Q

WHAT ARE THE BRANCHES OF THE MIAN TRUNK OF V3

A

meningeal - S
branch to tensor tympani - M
veli paltatini - M
branch to medial pterygoid - M

34
Q

WHAT ARE THE BRANCHES OF THE ANTERIOR TRUNK OF V3

A

buccal - S
masseteric - M
deep temporal - M
lateral pterygoid - M

35
Q

WHAT ARE THE BRANCHES OF THE POSTERIOR TRUNK OF V3

A

lingual
inferior alveolar
auriculotemporal
nerve to the mylohyoid (and ant belly of diagastric)

36
Q

WHAT DOES THE LINGUAL NERVE SUPPLY

A

the lingual gingiva of all the lower teeth and general sensation to the anterior 2/3 of the tongue

37
Q

WHERE DOES THE CHRODA TYMPANI RUN AND DEPART

A

it runs along V3 with the lingual nerve

38
Q

WHAT ARE THE BRANCHES OF THE INFERIOR ALVEOLAR NERVE OF V3

A

main trunk
incisive
mental

39
Q

WHAT DOES THE MAIN TRUNK OF THE INFERIOR ALVEOLAR NERVE SUPPLY

A

the molars

all the teeth of lower as its other branches

40
Q

WHAT DOES THE INCISIVE BRANCH OF THE INFERIOR ALVEOLAR NERVE OF V3 SUPPLY

A

the incisors, canine and 1st premolars

41
Q

WHAT DOES THE MENTAL BRANCH OF THE INFERIOR ALVEOLAR NERVE OF V3 SUPPLY

A

the buccal mucosa of the incisors, canines and both premolars
skin of lower lip

42
Q

WHERE DOES THE NERVE TO THE MYLOHYOID SPLIT FROM V3

A

before V3 enters the mandibular foramen to go supply the skin

43
Q

WHAT DOES THE AURICULOTEMPORAL NERVE OF V3 SUPPLY

A

face skin at he back third of face

44
Q

WHAT DOES THE BUCCAL NERVE OF THE ANTERIOR TRUNK OF V3 SUPPLY

A

the buccal mucosa of the molars

cheek

45
Q

WHAT DOES THE MENINGEAL NERVE OF THE MAIN TRUNK OF V3 SUPPLY

A

dura matter

46
Q

WHAT PASSES THROUGH THE MENTAL FORAMEN

A

the mental branch of the inferior alveolar nerve of V3

47
Q

WHAT PASSES THROUGH THE INFRA-ORIBTAL FORAMEN

A

infra-orbital nerve of V2

48
Q

WHAT PASSES THROUGH THE SUPERIOR ORBITAL NOTCH

A

all the branches of V1

49
Q

WHAT ARE THE BONES OF THE MAXILLA

A

palatine process of maxilla

palatine bone

50
Q

WHICH NERVES SUPPLY THE SKIN OF THE FACE AND SCALP

A 
V1 = supratrochlear and supraorbital
V2 = zygomaticofacial, zygomaticotemporal
V3 = auriculotemporal
51
Q

WHAT IS THE VARICELLA ZOSTER VIRUS

A

when shingles lies dormant after first infection and VZV reactivates, rash, burning, erythema
Hutchinson’s sign = more likely to be eye involvement

52
Q

WHAT IS EFFERENT INFO

A

motor

53
Q

WHAT IS AFFERENT INFO

A

sensory

54
Q

WHAT SUPPLIES THE ANTERIOR 2/3 OF THE TONNGUE GENERAL SENSATION (SENSORY)

A

lingual nerve from V3

55
Q

WHAT SUPPLIES THE ANTERIOR 2/3 OF THE TONNGUE TASTE (SENSORY)

A

chorda tympani CNVII - facial nerve

56
Q

WHAT SUPPLIES THE POSTERIOR 1/3 OF THE TONGUE TOUCH AND TATSE (SENSORY)

A

glossopharyngeal CNIX

57
Q

WHAT SUPPLIED MOTOR INNERVATION TO THE WHOLE TONGUE BARE THE PALATOGLOSSUS

A

the hypoglossus CNXII

palatoglossus is the vagus CNX

OSCE (14 decks)

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