Ear Quiz

Question 1

Pinna/Auricle

Answer 1

collects and directs sound

Question 2

External Auditory Canal

Answer 2

channels the sound waves toward middle ear

Question 3

Tympanic Membrane (eardrum)

Answer 3

• vibrates when sound waves hit it ­

- separates the outer and middle ear

Question 4

Hammer/Malleus

Answer 4

connects with the incus and is attached to the inner surface of the eardrum

Question 5

Anvil/Incus

Answer 5

receives vibrations from the malleus to the stapes

Question 6

Stirrup/Stapes

Answer 6

transmits sound vibrations from the incus to the oval window

Question 7

Ossicles

Answer 7

-transmit vibration from tympanic membrane

to fluid of inner ear

Question 8

Auditory Tube

Answer 8

• connects middle ear to throat

- ­normally closed, opens when swallowing ­used to equalize pressure to outside ear

Question 9

Round Window

Answer 9

allows fluid in the cochlea to move

Question 10

Vestibule

Answer 10

-between cochlea and semicircular
canals
-equilibrium

Question 11

Cochlea

Answer 11

hearing organ

Question 12

Oval Window

Answer 12

an oval opening at the head of the cochlea, connecting the middle and inner ear, through which sound vibrations of the stapes are transmitted

Question 13

Semicircular Canal

Answer 13

equilibrium area

Question 14

Vestibulocochlear Nerve

Answer 14

transmits sound and equilibrium (balance)