Cranial Nerves - general components

Question 1

Facial/VII - general components

Answer 1

Somatic motor (facial muscles)
Visceral motor (salivary glands)
Special sensory (anterior taste buds)

Question 2

Occulomotor/III - general components

Answer 2

Somatic motor (extraocular muscles)
Visceral motor (ciliary muscle, sphincter papillae)

Question 3

Olfactory/I - general components

Answer 3

Special sensory only (smell)

Question 4

Optic/II - general components

Answer 4

Special sensory only (sight)

Question 5

Trochlear/IV - general components

Answer 5

Somatic motor (superior oblique)

Question 6

Abducens/VI - general components

Answer 6

Somatic motor (lateral rectus)

Question 7

Trigeminal/V - general components

Answer 7

Somatic sensory (sensation to face/head, dura mater)
Somatic motor (muscles of mastication, accessory muscles of mastication)

Question 8

Vestibulocochlear/VIII - general components

Answer 8

Special sensory (vestibular system = balance, cochlea = hearing)

Question 9

Glossopharyngeal/IX - general components

Answer 9

Somatic motor (stylopharyngeus)

Somatic sensory (pharynx gag reflex)

Special sensory (taste to posterior 1/3 of tongue and general sensory)

Visceral motor (parotid glands)

Question 10

Vagus/X - general components

Answer 10

Somatic Motor (pharyngeal constrictors, laryngeal muscles, most palatal muscles)

Somatic Sensory (ear canal, auricle, larynx, dura)

Special sensory (epiglottis taste buds)

Visceral motor (glands and smooth muscles to larynx/pharynx/abdominal viscera, heart)

Question 11

Spinal Accessory/XI - general components

Answer 11

Somatic motor (sternocleidomastoid, trapezius)

Question 12

Hypoglossal/XII - general components

Answer 12

Somatic motor (genioglossus, hypoglossus, styloglossus)