CNS - Cranial Nerves (number)

Question 1

I

Answer 1

Olfactory; Sensory; Innervates olfactory epithelium

Question 2

II

Answer 2

Optic; Sensory; Innervates retina of eye

Question 3

III

Answer 3

Oculomotor; Motor; Innervates inferior, medial, superior rectus, inferior oblique, and levator palpebrae muscles; intrinsic muscles of eye

Question 4

IV

Answer 4

Trochlear; Motor; Innervates superior oblique muscle

Question 5

V

Answer 5

Trigeminal; Mixed; Face

Question 6

VI

Answer 6

Abducens; Motor; Innervates lateral rectus muscle

Question 7

VII

Answer 7

Facial; Mixed; Innervates taste receptors, facial expression, lacrimal gland, salivary glands

Question 8

VIII

Answer 8

Vestibulocochlear; Sensory; Innervates inner ear: cochlea (hearing) & vestibule (motion & balance)

Question 9

IX

Answer 9

Glossopharyngeal; Mixed; Innervates tongue, pharynx, palate, carotid body (monitors blood pressure, pH, & levels of respiratory gases), pharyngeal muscles, parotid salivary gland

Question 10

X

Answer 10

Vagus; Mixed; Innervates pharynx, auricle & external acoustic meatus, diaphragm, visceral organs in thoracic and abdominopelvic cavities, palatal, and pharyngeal muscles

Question 11

XI

Answer 11

Accessory; Motor; Innervates palate, pharynx, larynx, sternocleidomastoid & trapezius muscles

Question 12

XII

Answer 12

Hypoglossal; Motor; Innervates tongue musculature