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► Med - Year 1 > CN Components/Location of nerve cell bodies > Flashcards

CN Components/Location of nerve cell bodies Flashcards

1
Q

Smell

A

CN I, Olfactory (SSA)

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2
Q

CN I location of nerve cell bodies

A

olfactory epithelium

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3
Q

Vision

A

CN II, Optic (SSA)

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4
Q

CN II location of nerve cell bodies

A

Optic Canal

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5
Q

Extraocular muscles

A

CN III, Occulomotor (GSE)

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6
Q

Extraocular muscle- superior oblique

A

CN IV, Trochlear (GSE)

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7
Q

CN IV location of nerve cell bodies

A

Superior orbital fissure

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8
Q

Motor to muscles of mastication, mylohyoid, anterior belly of digastric, tensor veli palatini, tensor tympani

A

V3, Mandibular branch of Trigeminal (SVE)

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9
Q

CN V location of nerve cell bodies

A

V1 and V2: trigeminal ganglion

V3: Pons

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10
Q

Extraocular muscles, lateral recti

A

CN VI, Abducens (GSE)

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11
Q

CN VI location of nerve cell bodies

A

Pons

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12
Q

motor to muscles of facial expression and scalp; stapedius, stylohyoid, posterior belly of digastric

A

CN VII, Facial (SVE)

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13
Q

Sensory from cornea, skin of forehead, scalp, eyelids, nose, and mucosa of nasal cavity and paransal sinuses

A

V1, Opthalmic branch of Trigeminal (GSA)

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14
Q

Sensation from skin of face over maxilla, including upper lip, maxillary teeth, mucosa of nose, maxillary sinuses, and palate

A

V2, Mandibular branch of Trigeminal (GSA)

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15
Q

Sensory to area of ear

A

CN VII, Facial, (GSA)

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16
Q

taste from anterior two thirds of tongue and palate

A

CN VII, Facial, (SVA)

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17
Q

parasympathetic to lacrymal, sbumandibular, and sublingual glands

A

CN VII, Facial (GVE)

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18
Q

CN VII SVE location of nerve cell bodies

19
Q

CN VII SVA location of nerve cell bodies

A

Geniculate ganglion

20
Q

CN VII GVE location of nerve cell bodies

A

Presynaptic: Pons

Post synaptic: pterygopalatine ganglion; submandibular ganglion

21
Q

Organs of hearing and balance

A

CN VIII, Vestibulocochlear (SSA)

22
Q

CN VIII location of nerve cell bodies

A

vestibular ganglion and spiral ganglion

23
Q

Motor to all intrinsic and extrinsic muscles of the tongue (except palatoglossus)

A

CN XII, Hypoglossal (GSE)

24
Q

CN XII location of nerve cell bodies

25
Q

Motor to sternocleidomastoid and trapezius

A

CN XI, Spinal Accessory (SVE)

26
Q

CN XI location of nerve cell bodies

A

Spinal cord

27
Q

Motor to stylopharyngeaus, assists with swallowing

A

CN IX Glossopharyngeal (SVE), medulla

28
Q

Parasympathetic innervation to parotid gland

A

CN IX Glossophayrngeal (pGVE), presynaptic= medulla, post synaptic = otic ganglion

29
Q

Sensation from parotid gland, carotid body and sinus, naso- and oro- pharynx, and middle ear

A

CN IX Glossopharyngeal (GVA), superior ganglion

30
Q

taste to posterior third of tongue

A

CN IX Glossopharyngeal (SVA), inferior ganglion

31
Q

Cutaneous sensation from external ear and sensation to posterior third of tongue

A

CN IX Glossopharyngeal (GSA), inferior ganglion

32
Q

motor to muscles of pharynx (except stylopharyngeus), intrinsic muscles of larynx, muscles of palate (except tensor veli palatini), and stirated muscles in superior two thirds of esophagus

A

CN X Vagus (SVE), Medulla

33
Q

Parasympathetic innervation to smooth muscle and glands of trachea, bronchi, digestive tract, coronary arteries, and nodes of conduction system of heart

A

CN X Vagus (pGVE), Presynaptic = medulla, postsynaptic = neurons in or near viscera

34
Q

Sensation from base of tongue, pharynx, larynx, trachea, bronchi, heart, esophagus, stomach, and intestine to left colic flexure

A

CN X Vagus (GVA), inferior ganglion

35
Q

Taste from epiglottis and palate

A

CN X Vagus (SVA), inferior ganglion

36
Q

Sensation from auricle, external acoustic meatus, and dura mater of posterior cranial fossa

A

CN X Vagus (GSA), superior ganglion

37
Q

GSA = General Somatic Afferent (4) + BRAIN STEM NUCLEUS

A

V (V2 and V2 supply sensation to face) TRIGEMINAL: SPINAL, MAIN, OR MESENCEPHALIC
VII (sensory to area of ear)
IX (sensation from external ear and sensation to posterior third of tongue
X (Sensation from auricle, external acoustic meatus, and dura mater of posterior cranial fossa)

38
Q

SSA = Special Somatic Afferent (3) + BRAIN STEM NUCLEUS

A

I (smell) OLFACTORY
II (vision) OPTIC
VIII (hearing and balance) VESTIBULOCOCHLEAR

39
Q

GVA = General visceral afferent (3) + BRAIN STEM NUCLEUS

A

VII (not commonly listed, but transmit sensation from the viscera over the fibers of facial nerve) NUCLEUS SOLITARIUS
IX (Sensation from parotid gland, carotid body and sinus, naso- and oro- pharynx, and middle ear) NS
X (Sensation from base of tongue, pharynx, larynx, trachea, bronchi, heart, esophagus, stomach, and intestine to left colic flexure) NS

40
Q

SVA (3) Special visceral afferent + BRAIN STEM NUCLEUS

A

VII (taste anterior 2/3 of tongue) NS
IX (taste posterior third of tongue) NS
X (taste from epiglottis and palate) NS

41
Q

GSE = general somatic efferent (4) + BRAIN STEM NUCLEUS

A

III (Extraocular muscles) OCCULOMOTOR
IV (Extraocular muscle- superior oblique) TROCHLEAR
VI (Extraocular muscles- lateral recti) ABDUCENS
XII (Motor to all intrinsic and extrinsic muscles of the tongue (except palatoglossus) HYPOGLOSSAL

42
Q

GVE or pGVE = General visceral efferent (parasympathetic) (4) + BRAIN STEM NUCLEUS

A

III (parasympathetic to smooth muscle in eye) EDINGER-WESTPHAL
VII (parasympathetic to lacrymal, sbumandibular, and sublingual glands) SUPERIOR SALIVATORY
IX (parasympathetic innervation to parotid gland) INFERIOR SALIVATORY
X (Parasympathetic innervation to smooth muscle and glands of trachea, bronchi, digestive tract, coronary arteries, and nodes of conduction system of heart) MOTOR NUCLEUS OF VAGUS NERVE

43
Q

SVE = special visceral efferent (5) all arch muscles + BRAIN STEM NUCLEUS

A

V (Motor to muscles of mastication, mylohyoid, anterior belly of digastric, tensor veli palatini, tensor tympani) MOTOR NUCLEUS OF V
VII (motor to muscles of facial expression and scalp; stapedius, stylohyoid, posterior belly of digastric_ FACIAL NUCLEUS
IX (Motor to stylopharyngeus) AMBIGUUS
X (motor to muscles of pharynx (except stylopharyngeus), intrinsic muscles of larynx, muscles of palate (except tensor veli palatini), and stirated muscles in superior two thirds of esophagus) AMBIGUUS
XI (Motor to sternocleidomastoid and trapezius) SPINAL ACCESSORY

► Med - Year 1 (48 decks)

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