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Hard stuff to remember > cranial nerves > Flashcards

cranial nerves Flashcards

1
Q

which nerves leave skull through superior orbital fissure?

A
  • CNIII (oculomotor)
  • CNIV (trochlear)
  • CNV1 (opthalmic trigeminal)
  • CNVI (abducens)
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2
Q

which nerves leave skull through the foramen rotundum?

A

-CNV2 (maxillary trigeminal)

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3
Q

which nerves leave skull through the foramen ovale

A

-CNV3 (mandibular trigeminal)

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4
Q

which nerves leave skull through the internal acoustic meatus?

A
  • CNVII (facial)

- CNVIII (vestibulocochlear)

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5
Q

which nerves leave skull through jugular foramen?

A
  • CNIX (glossopharyngeal)
  • CNX (vagus)
  • CNXI (accessory)
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6
Q

which nerves leave through hypoglossal canal?

A

-CNXII (hypoglossal)

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7
Q

which nerve leaves through cribriform plate of ethmoid?

A

-CNI (olfactory)

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8
Q

which nerve leaves through optic canal?

A

-CNII (optic)

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9
Q

what has parasympathetic innervation from CNIII?

A
  • sphincter pupillae

- ciliary muscles (contraction -> lens thickening)

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10
Q

what does CNIV supply?

A

-superior oblique

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11
Q

which division of trigeminal gives motor supply?

A

-CNV3 (mandibular)

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12
Q

what forms the afferent arm of the blink reflex?

A

-CNV1 (opthalmic)

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13
Q

what does CNV3 supply?

A
  • medial and lateral pterygoids
  • masseter
  • temporalis
  • anterior belly of digastric
  • mylohyoid
  • tensor veli palatini
  • tensor tympani
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14
Q

what give sensory supply to teeth?

A
  • CNV2

- CNV3

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15
Q

what gives sensation to area in front of ear?

A

CNV

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16
Q

what does CNVI supply?

A

lateral rectus

17
Q

what does CNVII give motor supply to?

A
  • muscles of facial expression (incl. platysma)
  • posterior bells of digastric
  • stapedius
  • stylohyoid
18
Q

which nerves gives parasympathetic supply to lacrimal, nasal and palatine glands?

-via which branch does it do this?

A
  • CNVII (facial)

- greater petrosal

19
Q

which nerve gives parasympathetic innervation to submandibular and sublingual glands?

-via which branch does it do this?

A
  • CNVII (facial)

- chorda tympanii

20
Q

what is special sensory supply of CNVII?

A

-taste to anterior 2/3rds of tongue

21
Q

what supplies stylopharyngess?

A

-CNIX (glossopharyngeal)

22
Q

what nerve passes through the parotid gland but does not supply it?

A

-CNVII (facial)

23
Q

what nerve supplies parotid?

A

-CNIX (glossopharyngeal)

24
Q

sepecial sensory supply of CNIX

A

-taste to posterior 1/3 of tongue

25
Q

which nerve provides sensory supply to middle ear and eustachian tube?

A

-CNIX (glossopharyngeal)

26
Q

which nerve forms the afferent arm of the gag reflex?

A

-CNIX (glossopharyngeal)

27
Q

which nerve provides sensory supply to palatine tonsils, carotid sinus and carotid body

A

-CNIX (glossopharyngeal)

28
Q

which muscles does recurrent laryngeal nerve supply?

A
  • thyro-artenoid
  • posterior crico-arytenoid
  • lateral crico-arytenoid
  • transverse and oblique arytenoids
  • vacalis
29
Q

motor supply to superior, middle and inferior pharyngeal constrictors

A

-CNX (vagus)

30
Q

motor supply to palatapharyngeus, palatoglossus and salpingopharyngeus

A

-CNX (vagus)

31
Q

how much of GI tract does CNX supply?

A
  • all up to splenic flexure of large colon

- the rest after this are supplied by pelvic splanchnic nerves?

32
Q

what gives sensory to supply to external acoustic meatus and concha?

A

CNX (vagus)

33
Q

what gives sensory supply to the laryngopharynx?

A

CNX (vagus)

34
Q

what does CNXI supply?

A
  • sternocleidomastoid

- trapezius

35
Q

what are the extrinsic muscles of the tongue? what nerve supplies them?

A
  • genioglossus
  • hyoglossus
  • syloglossus

-CNXII (hypoglossal)

36
Q

what are the intrinsic muscles of the tongue? what n

A
  • superior longitudinal
  • inferior longitudinal
  • transverse
  • vertical

-CNIX (hypoglossal)

Hard stuff to remember (10 decks)

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