Chapter 16

Question 1

Annulus

Answer 1

Outer fibrous rim encircling the eardrum

Question 2

Atresia

Answer 2

Congenital absence of closure of ear canal

Question 3

Cerumen

Answer 3

Yellow waxy material that lubricates and protects the ear canal

Question 4

Cochlea

Answer 4

Inner ear structure containing the central hearing apparatus

Question 5

Eustachian tube

Answer 5

Connects the middle ear with the nasopharynx and allows the passage of air

Question 6

Helix

Answer 6

Superior posterior free rim of the pinna

Question 7

Incus

Answer 7

“anvil”; middle of the 3 ossicles of the middle ear

Question 8

Malleus

Answer 8

“hammer” outmost of the 3 ossicles of the middle ear

Question 9

Mastoid

Answer 9

Bony prominence of the skull located just behind the ear

Question 10

Organ of Corti

Answer 10

Sensory organ of hearing

Question 11

Otalgia

Answer 11

Pain in the ear

Question 12

Otitis exertna

Answer 12

Inflammation of the outer ear and ear canal

Question 13

Otitis media

Answer 13

Inflammation of the middle ear and tympanic membrane

Question 14

Otorrhea

Answer 14

Discharge from the ear

Question 15

Pars flaccida

Answer 15

Small, slack, superior section of the tympanic membrane

Question 16

Pars tensa

Answer 16

Thick, taut, central inferior section of the tympanic membrane

Question 17

Pinna

Answer 17

Auricle or outer ear

Question 18

Stapes

Answer 18

“Stirrup” innermost of the 3 ossicles in the middle ear

Question 19

Tinnitus

Answer 19

Ringing in the ears

Question 20

Tympanic membrane

Answer 20

“eardrum” then, translucent, oval membrane that stretches across the ear canal and separates the middle ear from the outer ear

Question 21

Umbo

Answer 21

Knob of the malleus that shows through the tympanic membrane

Question 22

Vertigo

Answer 22

A spinning, twirling sensation