Facial nerve

Question 1

What number is the facial nerve?

Answer 1

CN 7 (VII)

Question 2

What is the motor function of the facial nerve?

Answer 2

innervates stapedius muscles, stylohyoid, posterior belly of the digastric, muscles of facial expression

Question 3

What is the sensory function of the facial nerve?

Answer 3

innervates a small area around the concha of the external ear

Question 4

What are the parasympathetic functions of the facial nerve?

Answer 4

supplies many of the glands of the head and neck, including submandibular and sublingual salivary glands; nasal, palatine, and pharyngeal mucous glands, and lacrimal glands.