The Ear

Question 1

What is the name given to the “goat’s beard” of the auricle?

Answer 1

tragus

Question 2

What is the name of the palpable posterior projection of the eminentia concha of the auricle?

Answer 2

ponticulus

Question 3

Which cranial nerve will innervate the muscles of the auricle?

Answer 3

the facial nerve

Question 4

Sensory innervation of the auricle is derived from which nerves?

Answer 4

greater auricular (ventral rami C2, C3)
lesser occipital nerve (ventral rami C2, possibly C3)
auriculotemporal nerve (mandibular division, trigeminal)
posterior auricular cutaneous nerve (facial)
auricular nerve (vagus)

Question 5

The lateral third of the external acoustic meatus is protected by_____.

Answer 5

cartilage

Question 6

The medial third of the external acoustic meatus is protected by _________.

Answer 6

the temporal bone

Question 7

Skin lining the external acoustic meatus contains what modified sebaceous glands?

Answer 7

ceruminous glands

Question 8

What is cerumen?

Answer 8

a product of ceruminous glands forming the bulk of ear wax