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Biology 22 - Lab Exam II > CRANIAL NERVES > Flashcards

CRANIAL NERVES Flashcards

1
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Olfactory nerve I

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2
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Optic nerve II

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3
Q

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A

Oculomotor nerve III

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4
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Trochlear nerve IV

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5
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Trigeminal nerve V

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6
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Abducens nerve VI

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7
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Facial nerve VII

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8
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Vestibulocochlear nerve VIII

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9
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Glossopharyngeal IX

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10
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Vagus nerve X

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11
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Accessory nerve XI

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12
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Hypoglossal nerve XII

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13
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN I & II originate arises the

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A

Cerebrum

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14
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The olfactory (i) nerve exits through the

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A

Cribiform plate

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15
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The optic (ii) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Optic canal

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16
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The oculomotor (iii) nerve exits through the

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A

Superior orbital fissure

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17
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The trochlear (iv) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Superior orbital fissure

18
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The trigeminal (v) nerve exits through

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • ophthalmic: superior orbital fissure
  • maxillary: foramen rotundum
  • mandibular: foramen ovale
19
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The abducens (vi) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Superior orbital fissure

20
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The facial (vii) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Internal acoustic meatus and stylomastoid foramen

21
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The vestibulocochlear (viii) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Internal acoustic meatus

22
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The glossopharyngeal (ix) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Jugular foramen

23
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The vagus (x) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Jugular foramen

24
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The accessory (xi) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Jugular foramen

25
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

The hypoglossal (xii) nerve exits through the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

hypoglossal canal

26
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN III & IV arises from the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Midbrain

(CN IV is the only one that arises from the DORSAL aspect of the brainstem)

27
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN V arises from the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

28
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN VI, VII, & VIII arises from the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Pontomedullary junction

29
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN IX, X, & XII arises from the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

30
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

CN XI arises from the

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Spinal cord

31
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Olfactory nerve (CNI)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Smell (or olfaction)

Special sensory

32
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Optic nerve (CNII)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides vision

Special sensory

33
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Oculomotor nerve (CNIII)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Movement of extraocularmuscles (superior rectus, medial rectus, inferior oblique, and inferior rectus)
  • Parasympathetic fibers to constrict the pupils and ciliary body

Somatic motor function + Parasympathetic function

34
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Trochlear nerve (CNIV)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Moves the superior oblique

Somatic motor function

35
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Trigeminal nerve (CNV)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A

Three divisions: (1) opthalmic, (2) Maxillary, and (3) Mandibular nerves
- provides sensory information from these three areas
- mandibular division innervates the muscles of mastication

Sensory fibers and somatic motor nerves

36
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Abducens nerve (CNVI)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Moves the lateral rectus

Somatic motor function

37
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Facial nerve (CNVII)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Moves the muscles of facial expression
  • Parasympathetic fibers for submandibular, sublingual, lacrimal, and nasal glands
  • Innervates area of skin on external ear
  • Senses taste from anterior 2/3 of the tongue

Somatic motor, sensory fibers, and parasymphathetic nerves

38
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the fuction of the Vestibulocochlear nerve (CNVIII)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides hearing and balance

Sensory nerves

39
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Glossopharyngeal nerve (CNIX)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides motor function to the stylopharyngeus muscle for swallowing
  • Carries parasymphathetic fibers to the parotid gland
  • Recieves sensory information from the oropharynx and carotid sinus & body
  • Special sensory taste from the posterior 1/3 of tongue

Sensory nerves, somatic motor function, and parasymphathetic fibers

40
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Vagus nerve (CNX)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides motor function to muscles of larynx and pharynx for phonation and swallowing
  • Parasympathetic fibers to heart, lungs, abdominal organs, and viscera
  • Sensory information from heart, lungs, abdominal organs and viscera
  • Special sensory fibers that sense taste epiglottis and laryngeopharynx

Sensory nerve, somatic motor functions, and parasympathetic fibers

41
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Accessory nerve (CNXI)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides motor function to the sternocleidomastoid and trapezius muscles

Somatic motor function

42
Q

“Oh, Oh, Oh To Touch A Feel Very Good Velvet, AH”

What is the function of the Hypoglossal nerve (CNXII)?

“Some Say Marry Money, But My Brother Says Big Brains Matter More”

A
  • Provides motor function of the tongue

Somatic motor function

Biology 22 - Lab Exam II (2 decks)

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