Nerves

Question 1

accessory nerve

Answer 1

controls the sternocleidomastoid and trapezius muscles

Question 2

hypoglossal nerve

Answer 2

controls the muscles of the tongue,

Question 3

trigeminal nerve

Answer 3

mediates facial sensation and also controls the muscles of mastication (chewing).

Question 4

vagus nerve (CN X

Answer 4

acts as the afferent limb for the nerve fibers originating from the aortic arch baroreceptors and as an efferent limb for the carotid sinus reflex.