Cranial Nerves Simplified

Cranial Nerves

  • Olfactory(Smell)
  • Optic (Vision)
  • Oculomotor (Eye Movement, Pupil constriction/dilation)
  • Trochlear (Eye movement, down and inward)
  • Trigeminal (Facial Nerve, Jaw Movement)
  • Abducens (Lateral eye movement)
  • Facial (Facial Expression)
  • Auditory (Hearing)
  • Glossopharyngeal (Taste & Swallow)
  • Vagus (Sensation of pharynx, vocal cords)
  • Spinal Accessory (Movement of head and shoulders)
  • Hypoglossal (Position of the tongue)

Mnemonic

Oh Oh To Touch And Feel A Giant Volcano So Hot

1 Olfactory (Smell)
2 Optic (Vision)
5 Trigeminal (Facial Nerve, Jaw Movement)
8 Auditory (Hearing)
7 Facial (Facial Expression)
9 Glossopharyngeal (Taste & Swallow)
10 Vagus (Sensation of pharynx, vocal cords)
Sensory– Think 5 senses

3 Oculomotor (Eye Movement, Pupil constriction/dilation)
4 Trochlear (Eye movement, down and inward)
5 Trigeminal (Facial Nerve, Jaw Movement)
6 Abducens (Lateral eye movement)
7 Facial (Facial Expression)
9 Glossopharyngeal (Taste & Swallow)
10 Vagus (Sensation of pharynx, vocal cords)
11 Spinal Accessory (Movement of head and shoulders)
12 Hypoglossal (Position of the tongue)
Motor–Think muscles

Mnemonic

Some Say Marry Money But My Brother Says Big Brains Matter More

Remember CN assess the neurological function of the patient
CN 1 is not commonly done in a formal manner (just ask the patient)

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