Auditory System and Hearing Impairment

Question 1

The four components of the ear are:

Answer 1

1. The Outer Ear
2. The Middle Ear
3. The Inner Ear
4. The Central Auditory Pathways

Question 2

The Pinna _________ and ___________

Answer 2

Enhances Sound, and localizes sound

Question 3

The ear drum, also called the _________ is part of the _______ ear

Answer 3

Tympanic membrane, part of the middle ear

Question 4

Cerumen is produced in the ________ ________ _________ and protects against _______ _______ and ________

Answer 4

External Auditory Meatus, protects against infection and foreign bodies

Question 5

The three bones in the middle ear are called the ______, named _______,_______ and _______

Answer 5

Ossicles, Malleus, Incus, Stapes

Question 6

The Eustachian tube connects the _______ ______to the ______ ______

Answer 6

Middle ear to the inner ear,
It is normally closed but periodically opens for fluid drainage and negative pressure balancing

Question 7

The _________ vibrates on the oval window, transferring mechanical energy into the _______

Answer 7

Stapes, Cochlea

Question 8

The Inner Ear has two divisions:
- one for ________
- one for _________

Answer 8

One for Hearing
One for Balance

Question 9

The Central Auditory Pathways send a _______ _______ to the brain

Answer 9

Electrochemical Signal

Question 10

Sound is caused by ___________

Answer 10

Vibrations

Question 11

Sounds can be measured in __________ and ________

Answer 11

Frequency and Intensity

Question 12

Frequency is described as:

Answer 12

how many times per second a cycle repeats

Question 13

Frequency is perceived as ____________

Answer 13

Pitch

Question 14

The intensity of a sound is ______________ and is perceived as __________

Answer 14

How high/low the sound wave is and is perceived as loudness