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PRELIM - Anatomy > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial nerves that do not emerge from the brainstem:

  • Olfactory
  • Optic
  • Oculomotor
  • A, B
  • A, B, C
A

A, B

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2
Q

Cranial nerves originating from the midbrain:

  • Oculomotor
  • Trochlear
  • Trigeminal
  • A, B
  • A, B, C
A

A, B

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3
Q

Cranial nerves originating from the pons:

  • Trigeminal
  • Abducens
  • Vagus
  • A, B
  • A, B, C
A

A, B

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4
Q

Cranial nerves originating from the medulla:

  • Glossopharyngeal
  • Vagus
  • Spinal accessory
  • A, B
  • A, B, C
A

A, B, C

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5
Q

General sensations:

  • Relayed by spinal nerves
  • Relayed by cranial nerves
  • A, B
  • Neither
A

A, B

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6
Q

Special sensations:

  • Relayed by spinal nerves
  • Relayed by cranial nerves
  • A, B
  • Neither
A

Relayed by cranial nerves

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7
Q

Smell, sight, hearing:

  • Special senses
  • General senses
  • A,B
  • Neither
A

Special senses

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8
Q

Oculomotor nerve has:

  • Somatic motor function
  • Visceral motor function
  • A, B
  • Neither
A

A, B

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9
Q

Cranial nerves motor to extraocular muscles:

  • III
  • IV
  • V
  • A, B
  • A, B, C
A

A, B

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10
Q

The medial rectus:

  • Abducts the eye
  • Adducts the eye
A

Adducts the eye

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11
Q

Tests cranial nerve VI:

  • Medial rectus
  • Lateral rectus
A

Lateral rectus

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12
Q

Which cranial nerve is tested if the eye looks down and adducts?

  • Oculomotor
  • Trochlear
  • Abducens
  • Neither
A

Trochlear

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13
Q

Sensory innervation of the face:

  • Oculomotor
  • Trochlear
  • Abducens
  • Neither of the choices
A

Neither of the choices

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14
Q

Cranial nerve for general sensation of the tongue, mandibular teeth, and gums:

  • Trigeminal nerve
  • Glossopharyngeal nerve
  • Facial nerve
  • Neither of the choices
A

Trigeminal nerve

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15
Q

Innervates the masseter, temporalis and pterygoid muscles:

  • Glossopharyngeal
  • Facial nerve
  • Vagus nerve
  • Neither of the choices
A

Neither of the choices

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16
Q

Which is innervated by the facial nerve?

  • Frontalis
  • Zygomaticus
  • Orbicularis oculi
  • A, B
  • A, B, C
A

A, B, C

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17
Q

The chorda tympani:

  • Is a branch of the facial nerve
  • Provides the general sensation of the tongue
  • Innervates the tympanic membrane
  • A, B
  • A, B, C
A

Is a branch of the facial nerve

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18
Q

The facial nerve:

  • Closes the eye
  • Tastes the pie
  • Innervates the parotid gland
  • A, B
  • A, B, C
A

A, B

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19
Q

The vestibulocochlear nerve carries:

  • Special sensory
  • Somatic efferent
  • Both
  • Neither
A

Special sensory

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20
Q

Lesions in CN VIII cause:

  • Hearing impairment
  • Vertigo
  • Loss of balance
  • A, B
  • A, B, C
A

A, B, C

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21
Q

Glossopharyngeal nerve CN IX:

  • Provides taste to the posterior 1/3 of the tongue
  • Conveys general sensations of the tongue
  • Innervates the stylopharyngeus
  • A, B
  • A, B, C
22
Q

The Vagus nerve innervates muscles of:

  • Larynx
  • Pharynx
  • Palate
  • A, B
  • A, B, C
23
Q

The vagus nerve:

  • Provides general sensations of larynx and pharynx
  • Is tested in the gag reflex with the CN XII
  • A, B
  • A, B, C
A

Provides general sensations of larynx and pharynx

24
Q

The right spinal accessory nerve innervates the muscle that causes the head to (Note: Look for the specific action of the muscle):

  • Bend to the right and look to the left
  • Bend to the right and look to the right
  • Bend to the left and look to the right
  • Bend to the left and look to the left
A

Bend to the right and look to the left

25
Q

If the tongue is pointing forward symmetrically upon testing:

  • The glossopharyngeal nerves left and right are intact
  • The vagus nerves left and right are intact
  • Neither of the choices
A

Neither of the choices

26
Q

Horner’s syndrome features:

  • Ptosis
  • Anhidrosis
  • Miosis
  • A, B
  • A, B, C
27
Q

The sympathetic innervation to the head comes from:

  • The cranial nerves III, VII, IX, and X
  • Thoracic spinal cord T1
  • The vagus nerve
  • A, B
  • None of the choices
A

Thoracic spinal cord T1

28
Q

Which of the following cranial nerves originate from the medulla?

  • Vestibulocochlear
  • Oculomotor
  • Spinal accessory
  • Facial
A

Vestibulocochlear

29
Q

Which group of cranial nerves supply the extraocular muscles?

  • V, VI and VII
  • IX and X
  • II, III and IV
  • III, IV, and VI
A

III, IV, and VI

30
Q

Which of the following illustrate the function of the facial nerve?

  • Salivation of the parotid gland
  • Movement of the jaw
  • Sensation of the cheek
  • Closes the eye
A

Sensation of the cheek

31
Q

Sensory innervation of the face is provided by which cranial nerve?

  • Trochlear
  • Oculomotor
  • Abducens
  • Trigeminal
A

Trigeminal

32
Q

The oculomotor nerve:

  • CN IV
  • CN I
  • CN II
  • CN III
33
Q

Which of the following exteaocular muscles is innervated by cranial nerve VI?

  • Lateral rectus
  • Medial rectus
  • Superior oblique
  • Inferior oblique
A

Lateral rectus

34
Q

The vestibulocochlear nerve carries _____:

  • Sensory
  • Both of the choices
  • Motor
35
Q

Cranial nerve for general sensation of the mandibular teeth, and gums:

  • Trigeminal nerve
  • Vagus nerve
  • Facial nerve
  • Glossopharyngeal nerve
A

Trigeminal nerve

36
Q

Which cranial nerve is tested if the eye looks down and in?

  • Trochlear
  • Oculomotor
  • Abducens
A

Oculomotor

37
Q

Which of the following cranial nerves exit from the pons?

  • Trochlear
  • Oculomotor
  • Hypoglossal
  • Trigeminal
A

Trigeminal

38
Q

Cranial nerves motor to extraoccular muscles:

  • CN III
  • CN V
  • Both
  • Neither
39
Q

This cranial nerve innervates the superior oblique muscle:

  • CN II
  • CN III
  • CN IV
  • CN VI
40
Q

Cranial nerves originating from the pons:

  • Trigeminal
  • Abducens
  • Both
  • Neither
41
Q

This cranial nerve innervates the lateral rectus muscle:

  • CN II
  • CN III
  • CN IV
  • CN VI
42
Q

A patient who has visual acuity problems most likely has problems with this cranial nerve:

  • CN I
  • CN II
  • CN VII
  • None of these
43
Q

Your patient is unable to smell. You suspect there is a lesion in Cranial Nerve:

  • I
  • II
  • III
  • IV
44
Q

Cranial nerves originating from the medulla:

  • Glossopharyngeal
  • Vagus
  • Spinal accessory
  • All of these
A

All of these

45
Q

You noted that your patient has irregularities in his extraoccular movement. Which cranial nerves may possibly be affected?

  • CN III
  • CN IV
  • CN VI
  • All of these
A

All of these

46
Q

Bell’s Palsy presents with weakness of the muscles on one side of the face. It may affect this Cranial Nerve:

  • Trigeminal
  • Facial
  • Both
  • Neither
47
Q

Your patient is unable to feel any sensation on the right side of the face. Which may be affected?

  • Right trigeminal nerve
  • Left trigeminal nerve
  • Right facial nerve
  • Left facial nerve
A

Right trigeminal nerve

48
Q

Your patient has sensorineural hearing loss. Which nerve is most possibly affected?

  • CN III
  • CN VIII
  • CN IX
  • CN X
49
Q

Your stroke patient has absent gag reflex. Which nerve/s may be affected?

  • CN IX
  • CN X
  • Both
  • Neither
50
Q

When your patient protrudes her tongue, it deviates to the right side. Which cranial nerve may be affected?

  • Right CN XII
  • Left CN XII
  • Right CN XI
  • Left CN XI
A

Right CN XII

51
Q

Your patient presents with winging of the right scapula. He is also unable to shrug his right shoulder. Which cranial nerve may be affected?

  • CN IX
  • CN X
  • CN XI
  • CN XII
52
Q

Occulomotor nerve is also known as:

  • CN II
  • CN III
  • CN V
  • None of these

PRELIM - Anatomy (5 decks)

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