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OBMP Exam 3 > Pathways and Functional Components of CN V, VII, IX, X > Flashcards

Pathways and Functional Components of CN V, VII, IX, X Flashcards

1
Q

Nucleus

A

Collection of cell bodies in the CNS

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2
Q

Ganglion

A

Collection of cell bodies outside of the CNS

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3
Q

CN from Telencephalon

A

Olfactory (CN I)

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4
Q

CN from Diencephalon

A

Optic (CN II)

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5
Q

CN from Midbrain

A

Oculomotor (CN III) + Trochlear (CN IV)

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6
Q

CN from Pons

A

Trigeminal (CN V), Abducens (VI), Facial (VII), Vestibulocochlear (VIII)

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7
Q

CN from Medulla

A

Glossopharyngeal (IX), Vagus (X), Spinal Accessory (XI) Hypoglossal (XII)

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8
Q

What cranial nerve arises from both the medulla and spinal cord

A

Spinal accessory nerve (XI)

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9
Q

The telencephalon gives rise to

A

Cerebrum

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10
Q

The diencephalon gives rise to

A

Thalamus, hypothalamus, and epithalamus

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11
Q

Which nerve is the only nerve that arises from the dorsal surface of the brainstem?

A

Trochlear (IV)

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12
Q

Each nerve can be described as

A

sensory, motor, or mixed

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13
Q

Motor to skeletal m.

A

general somatic efferent

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14
Q

motor to smooth m., cardiac m., glands

A

general visceral efferent

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15
Q

sensory from touch, temp, smell

A

general somatic afferent

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16
Q

Sensory from internal organs, glands, blood vessels

A

general visceral afferent

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17
Q

Senses derived from ectoderm (sight, sound balance)

A

special somatic sensory

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18
Q

Senses derived from endoderm (taste, smell)

A

special visceral sensory

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19
Q

Muscles derived from pharyngeal arches

A

special visceral motor

20
Q

Muscles of myotomic origins in the head

A

Extraocular muscles (III, IV, VI), Tongue muscles (XII)

21
Q

General somatic efferent is carried by

A

III, IV, VI, XII

22
Q

General visceral efferent is

A

parasympathetic

23
Q

Parasympathetics are carried on which CN?

A

III, VII, IX, X

24
Q

Supplies smooth and cardiac muscles and control glandular secretion (salivary and lacrimal glands)

A

General visceral efferent

25
Q

Supplies muscles derived from the branchial arches

A

Special visceral efferent

26
Q

Pharyngeal arch 1

A

Muscles of jaw by CN V

27
Q

Pharyngeal arch 2

A

Muscles of face by CN VII

28
Q

Pharyngeal arch 3

A

Stylopharyngeus muscles CN IX

29
Q

Pharyngeal arch 4, 6

A

Muscles of pharynx and larynx by CN X, XI

30
Q

Carries pain, temperature, touch, and proprioception from the head

A

General somatic afferent

31
Q

General somatic afferent CNs

A

V, VII, IX, X-sensory nucleus of trigeminal (which is why we can have referred pain)

32
Q

Carries sensory information from the special sense organs (eye, ear)

A

Special somatic afferent

33
Q

Special somatic afferent CNs

A

II, VII

34
Q

Fibers carrying sensations from viscera and glands (neck, thorax, abdomen)

A

General visceral afferent

35
Q

General visceral afferent CNs

A

IX, X

36
Q

Fibers carrying information from olfactory and taste sensation

A

Special visceral afferent

37
Q

Special visceral afferent CNs

A

I, VII, IX, X

38
Q

Taste sensation from what nucleus

A

Nucleus solitarius/ Nucleus of the solitary tract

39
Q

How many neurons for sensory?

A

3, except some sensory

40
Q

How many neurons for motor?

A

2, upper and lower motor neurons

41
Q

GVE Superior Salivatory Nucleus

A

CN VII-salivary (except parotid) and lacrimal glands

42
Q

GVE Inferior Salivatory Nucleus

A

CN IX-Parotid gland

43
Q

GVE Dorsal motor nucleus

A

CN X-carotid sinus, body, thoracoabdominal viscera

44
Q

Pharyngeal Arch 1

A

CN V-muscles of mastication

45
Q

Pharyngeal Arch 2

A

CN VII-muscles of facial expression

46
Q

Pharyngeal Arch 3

A

CN IX-Stylopharyngeal

47
Q

Pharyngeal Arch 4

A

CN X, XI-Pharyngeal, laryngeal, and palatine muscles

OBMP Exam 3 (6 decks)

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