Audiology Anatomy & Physiology

Question 1

The part of the ear that we can see

Answer 1

External ear

Question 2

Part of ear projecting from head, composed of cartilage and fat

Answer 2

Pinna

Question 3

Function of pinna

Answer 3

Collects sound waves, funnels into ear canal

Question 4

Ear canal leading to middle ear

Answer 4

External auditory meatus

Question 5

Glands that produce earwax

Answer 5

Ceruminous glands

Question 6

Earwax

Answer 6

Cerumen

Question 7

Separates external and middle ear

Answer 7

Tympanic membrane

Question 8

Function of TM

Answer 8

Vibrates as sound waves move through canal

Question 9

Connects external/middle ear to throat

Answer 9

Eustachian tube

Question 10

Function of Eustachian tube

Answer 10

Equalizes air pressure

Question 11

Small moist cavity in temporal bone containing air and 3 small ossicles (bones)

Answer 11

Middle ear

Question 12

Chain of 3 ossicles

Answer 12

Malleus>Incus>Stapes

Question 13

Most important part of ear, contains mechanisms for converting sound waves to nerve impuses

Answer 13

Inner ear

Question 14

3 parts of bony labyrinth

Answer 14

Vestibule, Cochlea, Vestibular apparatus

Question 15

2 Fluids contained in labyrinth

Answer 15

Perilymph and Endolympth

Question 16

Sound receptor containing sensitive hair cells, contained in cochlea

Answer 16

organ of Corti

Question 17

top of nasal cavity which has receptor to transmit smell

Answer 17

olfactory epithelium