Cranial Nerves

Question 1

Cranial Nerve III

Answer 1

• Oculomotor
• Function:
  
  • Pupillary Reflex
  • Accommodation
  • Convergence
  • Turns Eye Up/Down/In
• Abnormal Findings:
  
  • Lateral Strabismus (Exotropia)
  • Unequal Pupils (Anisocoria)

Question 2

Cranial Nerve IV

Answer 2

• Trochlear
• Function:
  
  • Turns Adducted Eyes Down

Question 3

Cranial Nerve VII

Answer 3

• Facial
• Function:
  
  • Facial Expression
  • Taste Anterior 2/3 of Tongue

Question 4

Cranial Nerve I

Answer 4

Olfactory

Question 5

Cranial Nerve IX/X (2)

Answer 5

• Glossopharyngeal/Vagus
• Function:
  
  • Palatal
  • Pharynx Control
  • Gag Reflex

Question 6

Cranial Nerve XII

Answer 6

Hypoglossal

Question 7

Cranial Nerve VI

Answer 7

• Abducens
• Function:
  
  • Turns Eyes Out

Question 8

Cranial Nerve IX/X (1)

Answer 8

• Glossopharyngeal/Vagus
• Function:
  
  • Phonation
  • Swallowing

Question 9

Cranial Nerve V

Answer 9

• Trigeminal
• Function:
  
  • Face/Cornea Sensory
  • Temporal/Masseter Muscles

Question 10

Cranial Nerve II

Answer 10

Optic

Question 11

Cranial Nerve XI

Answer 11

• Accessory
• Function:
  
  • Trapezius/SCM Muscles

Question 12

Cranial Nerve VIII

Answer 12

• Vestibulocochlear
• Function:
  
  • Vestibular Function
  • VOR
  • Cochlear Function