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Clinical Assessment Axial Skeleton > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

0
Q

What is cranial nerve II?

What are the tests for it?

A

Optic nerve

  • visual
  • tests: visual acuity, visual fields, pupillary light reflex (CN II and III), accommodation reaction
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1
Q

What is cranial nerve I?

What is the test for it?

A

Olfactory
-sense of smell
Test 1: examiner presents aromatic substances, one at a time, under patient nose

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2
Q

What is cranial nerve IV?

What are the tests used for it?

A

Trochlear

  • oblique muscles of the eye
  • test: eye motions (same as CN III)
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3
Q

What is cranial nerve III?

What are the tests used for it?

A 
Oculomotor 
-muscles of the eye
-tests: eye motions
Pupillary light reflex
Accommodation reaction
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4
Q

What is cranial nerve V?

What are the tests used for it?

A

Trigeminal

-tests: sensation to the face, corneal reflex, muscles of mastication, jaw jerk reflex

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5
Q

What is cranial nerve VI?

What are the tests for it?

A

Abducens

-test: eye motions (same as CN III and IV)

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6
Q

What is cranial nerve VII?

What are the tests for it?

A

Facial

  • motor innervated for the muscles of the facial expression
  • tests: muscles of facial expression (orbicularis oculi, frontalis, zygomatic major, orbicularis oris, platysma), taste: anterior 2/3 of the tongue, corneal reflex
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7
Q

What is cranial nerve VIII?

What are the tests for it?

A

Vestibulocochlear
Testing cochlear component: gross hearing examination, rinne test
Testing vestibular component: nystagmus, past pointing

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8
Q

What is cranial nerve IX?

What are the tests for it?

A

Glossopharyngeal

-tests: gag reflex (CN IX and X)

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9
Q

What is cranial nerve X?

What is the test for it?

A

Vagus

-test: palatal elevation: looking at palate and uvula when saying “aww”, gag reflex

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10
Q

What is cranial nerve XI?

What are the tests for it?

A

Accessory

-tests: trapezius muscle (upper trap), SCM

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12
Q

What is cranial nerve XII?

What is the test for it?

A

Hypoglossal

-test: examination of symmetry of the tongue (spit tongue out)

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13
Q

What are the muscles and eye motions for direction of pull for CN III?

A
  • medial rectus = medially
  • superior rectus = upwards
  • inferior rectus = downwards
  • inferior oblique = up and out
  • if it is paralyzed then the motion seen will be the opposite
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14
Q

What are the muscles and eye motions for direction of pull for CN IV?

A
  • superior oblique = down and out

* if it is paralyzed then the motion seen will be the opposite

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15
Q

What are the muscles and eye motions for direction of pull for CN VI?

A
  • lateral rectus = laterally

* if it is paralyzed then the motion seen will be the opposite

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16
Q

If the eyelid is drooping what CN will be affected?

A

CN III

Clinical Assessment Axial Skeleton (8 decks)

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