Cranial nerves Flashcards

1
Q

CN2 (4)

A

Snellen chart- viscual acuity

Lateral four quadrants- visual fields (finger commas)

Pupillary reflex
- Direct and indirect response

Red reflex

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2
Q

CN3, 4, 6 (2)

A

Observation
- Eye position

Eye movements

  • H shape
  • Check double vision second time
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3
Q

CN 5 (3)

A

Sensory
- Cotton wool touch comparing left and right

Motor

  • Clench jaw
  • Move jaw side to side
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4
Q

CN 7 [5]

A

Observe facial symmetry

Motor

  • Raise eyebrows
  • Screw up eyes
  • Puff out cheeks
  • Smile + say eeeee
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5
Q

UMN v LMN lesion for CN 7 observation

A

UMN lesion= no motor innervation in forehead

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6
Q

CN 9 + 10

A

Patient opens mouth and says ahhh

- watch soft palate symmetrical rise using tongue depressor

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7
Q

CN 11 [2]

A

Head turn left and right against my hand
- Sternocleidomastoid

Shrug shoulders against my hands
- Trapezius

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8
Q

CN 12 [1]

- Observations [3]

A

Motor
- Stick tongue out, move side to side, then central

Observe

  • Tongue wasting
  • Fasciculation
  • Deviation
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