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Neuro-Endo Exam 1 > Not ready: Cranial Nerves > Flashcards

Not ready: Cranial Nerves Flashcards

1
Q

What are the 4 cranial Nerves with parasympathetic fibers?

A

3

7

9

10

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2
Q

What is the mneumonic that helps you remember the sensory, motor, or both functions of the cranial nerves?

A

Some

Scientists

Make

Money

But

My

Brother

Says

Big

Boobs

Make

More

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3
Q

What nerves come out of the Superior orbital fissure?

A

3, 4, 6, V1

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4
Q

What two nerves come out of the Internal Acoustic Meatus?

A

Facial N and Vestibulocochlear N.

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5
Q

Which of the following muscles is innervated by the Trochlear N. (CN IV) ?

A. Superior Rectus

B. Lateral Rectus

C. Superior Oblique

D. Medial Rectus

A

Superior Oblique

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6
Q

What are the 5 senses that are considered as Special Sensory?

A

Smell (CN I)

Vision (CN II)

Taste (CN VII and IX)

Balance (CN VIII)

Hearing (CN VIII)

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7
Q

Which of the following nuclei associated with visceral motor parasympathetics works with CN III and functions on the ciliary muscles and constrictor pupillae?

A. Edinger-Westphal

B. Superior Salivatory

C. Inferior Salvatory

D. Dorsal Vagus

A

Edinger-Westphal

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8
Q

Which of the following nuclei associated with visceral motor parasympathetics works with CN VII, and functions on all of the glands except integumentary and parotid?

A. Edinger-Westphal

B. Superior Salivatory

C. Inferior Salvatory

D. Dorsal Vagus

A

Superior Salivatory

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9
Q

Which of the following nuclei associated with visceral motor parasympathetics, is associated with CN IX, and functions on the parotid gland?

A. Edinger-Westphal

B. Superior Salivatory

C. Inferior Salvatory

D. Dorsal Vagus

A

Inferior Salvatory

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10
Q

Which of the following nuclei associated with visceral motor parasympathetics, associates with CN X, and functions on the thoracic and abdominal viscera?

A. Edinger-Westphal

B. Superior Salivatory

C. Inferior Salvatory

D. Dorsal Vagus

A

Dorsal Vagus

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11
Q

What is the quick little chart a tutor provided you to help you remember the pathway of parasympathetic cranial nerves?

A

EW 3 V1 C

SS 7 V2 Great Petrosal P

SS 7 V3 Chorda Tympani S

IS 9 V3 Lesser Petrosal O

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12
Q

All of the following ligaments are associated with the first pharyngeal Arch, EXCEPT which of the following that is associated with the 2nd arch?

A. Anterior L. of Malleus

B. Sphenomandibular L.

C. Stylohyoid L.

D. None of the above

A

Stylohyoid L.

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13
Q

All sympathetic fibers are postganglionic and come from which of the following ganglion of the Sympathetic trunk?

A. Superior Cervical Ganglion

B. Middle Cervical Ganglion

C. Inferior Cervical Ganglion

A

Superior Cervical Ganglion

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14
Q

Pre-ganglionic parasympathetic fibers come from the nuclei in the brain and synapse on potentially what 4 ganglia found in the head?

A

Ciliary

Pterygopalatine

Submandibular

Otic

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15
Q

Damage to which of the following cranial nerves would result in anopsia?

A. CN I

B. CN II

C. CN III

D. CN IV

A

CN II

anopsia= inability to convey visual info

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16
Q

Which of the following cranial nerves is responsible for innervating Levator Palpbrae Superioris, aka the muscle responsible for opening the eye?

A. Optic

B. Facial

C. Oculomotor

D. Trigeminal

A

Oculomotor

17
Q

What is the only modality possessed by the Optic N.?

A. SSE

B. SSA

C. GSA

D. SVE

A

SSA

18
Q

Which of the following describes the muscle actions of the muscles associated with the Trochlear and Abducens N.? (Hint: this is opposite the Occulomotor innervated muscles)

A. In and Up

B. In and Down

C. Down and out

D. None of the above

A

Down and out

19
Q

Which of the following presents as downward and outward gaze, a dilated pupil, and ptosis in the right eye?

A. Facial N. Palsy

B. Trigeminal N. Palsy

C. Right Occulomotor N. Palsy

D. Left Occulomotor N. Palsy

A

Right Occulomotor N. Palsy

20
Q

The Trigeminal N has both motor and sensory modalities, and gives off 3 branches. Which of the following branches is the only one that specifically has motor and sensory fibers?

A. V1

B. V2

C. V3

A

V3

21
Q

Which of the following branches of the Trigeminal N. conducts sensory impulses from the nasal mucosa, palate, gums, and cheek?

A. V1

B. V2

C. V3

A

V2

22
Q

Tic Doulureuc is a Trigeminal neuralgia that causes intense, pulsating pain lasting several minutes to hours. It is caused by which of the following?

A. Inflammation of motor components of trigeminal N.

B. Inflammation of sensory components of trigeminal N.

C. Inflammation of motor and sensory components of trigeminal N.

D. Inflammation of mandibular branch of trigeminal N.

E. Absense of trigeminal ganglia

A

Inflammation of sensory components of trigeminal N.

23
Q

T/F: V1 gives off sensory fibers that come from the cornea, nose, forehead, and the anterior scalp

A

True

24
Q

What are the 5 major motor branches of CN VII, that innervate the muscles of facial expression, posterior belly of digastric m, stylohyoid m, and stapedius?

Associated with Somatic (Brachial) Motor

A

Temporal

Zygomatic

Buccal

Mandibular

Cervical

Tiny Zebra Bit My Cheek

25
Q

Describe the trajectory of the facial N.’s Visceral (parasympathetic) motor to lacrimal gland?

A
  1. Facial N. leaves the Superior Salvatory Nucleus
  2. Greater Petrosal N arises from CN VII and joins the Deep Petrosal N. at the Foramen Lacerum to form the N. of Pterygoid Canal
  3. N. to Pterygoid Canal goes through the canal and enters the Pterygopalatine Fossa
  4. The parasymathetic fibers from the N. to pterygoid canal synapse in Pterygopalatine ganglion
  5. The postsynaptic fibers leave the ganglion and innervate the Lacrimal gland via V2’s zygomatic branch and V1’s lacrimal branch
26
Q

Describe the trajectory of Visceral parasympathetic motor to submandibular and sublingal glands by the facial N.?

A
  1. From Superior Salivary nuceli the facial N leaves
  2. Near the stylomastoid foramen the chorda tympani comes off
  3. Chorda tympani crosses through the petrotympanic fissue to join V3’s Lingual N. branch in the infratemporal fossa
  4. The chorda tympani parasympathetic fibers synapses in the submandibular ganglion

the postsynaptic fibers follow arteries to the gland

27
Q

Lesions in the vestibular branch of CN VIII would likely result in what presentation?

A

Loss of balance

Nausea

Vomitting

Dizziness

28
Q

The glossopharyngeal N. has both motor and sensory functions. What muscle does the somatic motor function innervate?

A. Parotid Gland

B. Stylopharyngeus M.

C. Posterior 1/3 of tongue

D. None of the above

A

Stylopharyngeus M.

29
Q

Describe the trajectory of the Glossopharyngeal N’s visceral parasympathetic motor fibers to the parotid gland

A
  1. From inferior salvitory nucleus the CN IX emerges
  2. Off the CN IX arises the Tympanic N that enters the middle ear and forms a Tympanic plexus
  3. The Tympanic Plexus gives off the Lesser Petrosal N. that leaves the cranium through the Foramen Ovale
  4. Parasympathetic fibers synapse in the Otic Ganglion
  5. Postsynaptic fibers pass to the Parotid Gland via V3’s Auriculotemporal N.
30
Q

What cranial nerve carries subconcious sensation from the carotid body and sinus?

A

Glossopharyngeal N.

31
Q

The glossopharyngeal N. sends parasympathetics to the parotid gland using its postsynaptic fibers on which of the following branches?

A. Auriculotemporal N. (V3)

B. Lingual N. (V3)

C. Zygomatic N. (V2) and Lacrimal N. (V1)

D. None of the above

A

Auriculotemporal N. (V3)

32
Q

The Facial N. gives off the chorda tympani that joins which of the following Ns. in the inframtemporal fossa on it’s way to synapse on the submandibular ganglion?

A. Auriculotemporal N. (V3)

B. Lingual N. (V3)

C. Zygomatic N. (V2) and Lacrimal N. (V1)

D. None of the above

A

Lingual N. (V3)

33
Q

When the facial n. sends parasympathetics to the lacrimal gland it meets up with which of the following branches?

A. Auriculotemporal N. (V3)

B. Lingual N. (V3)

C. Zygomatic N. (V2)

D. None of the above

A

Zygomatic N. (V2)

  • indirectly the Lacrimal N. (V1) as the Zygomatic N (v2) meets up with that one

Neuro-Endo Exam 1 (17 decks)

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