Ear Assessment Review

Question 1

1. Auricle / pinna

Answer 1

EXTERNAL EAR

Question 2

many fine hairs, nerve endings

Answer 2

External auditory canal

Question 3

• a partition

Answer 3

Tympanic membrane / eardrum

Question 4

chamber in temporal bone
a. Round window
b. Ova window

Answer 4

1. Tympanic cavity

Question 5

3 auditory ossicles - transmit sound waves

Answer 5

a. Malleus (hammer)
b. Incus (anvil)
c. Stapes (stirrup)

Question 6

stabilize air pressure & prevent rupture of T.M

Answer 6

Eustachian tube -

Question 7

fluid-filled

Answer 7

INNER EAR/LABYRINTH

Question 8

organ of corti (sensory of hearing)

Answer 8

Cochlea

Question 9

• where receptors are located

Answer 9

Vestibule

Question 10

contain organ of equilibrium

Answer 10

. Semicircular canals -

Question 11

vestibulocochlear nerve

Answer 11

Cranial nerve VIII

Question 12

• identify nature of hearing; air/bone conduction

Answer 12

MECHANISM OF SOUND TRANSMISSION

Question 13

TESTS

Answer 13

1. Whisper
2. Weber’s
3. Rinne’s
4. romberg

Question 14

• external to middle ear

Answer 14

. Conductive

Question 15

• gradual hearing loss

Answer 15

PRESBYCUSIS

Question 16

infection

Answer 16

OTORRHEA (drainage)

Question 17

earache caused by sinus infection

Answer 17

OTALGIA -

Question 18

ringing

Answer 18

TINNITUS -

Question 19

• true spinning motion; Subjective & Objective vertigo

Answer 19

VERTIGO

Question 20

• clinically insignificant projection

Answer 20

DARWIN’S TUBERCLE

Question 21

no ear

Answer 21

ANOTIA

Question 22

• cream-colored nodule on helix

Answer 22

TOPHI

Question 23

• in auricle

Answer 23

OTITIS EXTERNA/ POST AURICULAR CYST

Question 24

nonmalignant swelling

Answer 24

EXOSTOSES -