MT CH8 The Ear

Question 1

What is the auditory tube?

Answer 1

The tube that connects the middle ear with the nasopharynx and serves to equalize pressure between the outer and middle ear

Also known as the pharyngotympanic tube or originally called the eustachian tube

Question 2

What is cerumen?

Answer 2

The brownish, wax-like secretion formed in the external auditory canal to protect the ear and prevent infection

Adjective: ceruminous

Question 3

What is the cochlea?

Answer 3

The coiled portion of the inner ear that contains the receptors for hearing

Root: cochle/o

Question 4

What is the external auditory canal?

Answer 4

Tube that extends from the pinna of the ear to the tympanic membrane

Also referred to as the external auditory meatus

Question 5

Define ceruminous.

Answer 5

Adjective related to cerumen

Describes the wax-like secretion in the ear

Question 6

Fill in the blank: The _______ connects the middle ear with the nasopharynx.

Answer 6

auditory tube

Question 7

True or False: The cochlea is part of the outer ear.

Answer 7

False

Question 8

What is the function of cerumen?

Answer 8

To protect the ear and prevent infection

Question 9

Fill in the blank: The _______ contains the receptors for hearing.

Answer 9

cochlea

Question 10

True or False: The external auditory canal is also known as the external auditory meatus.

Answer 10

True

Question 11

What is the middle ossicle of the ear?

Answer 11

incus

Question 12

Define labyrinth.

Answer 12

The inner ear, named for its complex structure, which resembles a maze

Question 13

What is the ossicle of the middle ear that is in contact with the tympanic membrane?

Answer 13

malleus

Question 14

What are the small bones of the middle ear called?

Answer 14

ossicles

Includes the malleus, incus, and stapes

Question 15

What is the projecting part of the outer ear known as?

Answer 15

pinna

Question 16

What are the three curved channels of the inner ear that hold receptors for equilibrium called?

Answer 16

semicircular canals

Question 17

Where is the hearing receptor located?

Answer 17

in the cochlea of the inner ear

Question 18

What is the ossicle that is in contact with the inner ear?

Answer 18

stapes

Question 19

What is the tympanic membrane also known as?

Answer 19

eardrum

Question 20

What does the vestibular apparatus relate to?

Answer 20

the sense of equilibrium

Question 21

What is the chamber in the inner ear that holds some of the receptors for equilibrium?

Answer 21

vestibule

Question 22

What nerve transmits impulses for hearing and equilibrium from the ear to the brain?

Answer 22

vestibulocochlear nerve

Question 23

Fill in the blank: The membrane between the external auditory canal and the middle ear is the _______.

Answer 23

tympanic membrane

Question 24

What is the root word that pertains to hearing?

Answer 24

audio

Question 25

Define audiology.

Answer 25

the study of hearing