1.3

Question 1

Mechanical energy that is transmitted by longitudinal pressure waves in the medium

Answer 1

Sound

Question 2

Form of energy that travels in waves

Answer 2

Sound

Question 3

Sound is generated by

Answer 3

Vibrations

Question 4

These act as the pebble and push the molecules of air around them outward. These molecules than bump into their neighboring molecules, creating waves.

Answer 4

Vibrations

Question 5

Two main characteristics of sound

Answer 5

Pitch and intensity

Question 6

Is determined by a sounds frequency, or how rapidly the sound waves vibrate each second

Answer 6

Pitch

Question 7

Is measured in vibrations per second or hertz

Answer 7

Frequency

Question 8

The higher, the frequency of the sound, the____ frequently, the waves vibrate, and the ___ the sounds pitch is

Answer 8

More and higher

Question 9

Is determined by sounds amplitude, or the amount of energy in the wave

Answer 9

Sound intensity

Question 10

What is measured by dB

Answer 10

Sound intensity

Question 11

Outer ear parts

Answer 11

Pinna, external auditory canal

Question 12

Middle ear parts

Answer 12

Malleus, stapes, tympanic membrane, incus, vestibule

Question 13

Inner ear parts

Answer 13

Oval window, vestibular, nerve, cochlear nerve, cochlea, eustachian tube, sensory hair cells

Question 14

Parts of the ossicles

Answer 14

Incus, malleus, and stapes

Question 15

Step 1: the ___ of the eardrum causes the bones in the ____ ear to move___ and ___

Answer 15

Vibration, middle, back and forth

Question 16

Step 2: the ___ ear of the___ moves in and out of the___ ___ at the same rate, the eardrum is vibrating

Answer 16

Inner, stapes, oval window

Question 17

Step 3: the movement against the___ ____ causes motion in the ___ that fills the___

Answer 17

Oval window, fluid,Cochlea

Question 18

Step 4: the movement of the fluid causes the___ in the fluid to move. This movement stimulates the attached cell to send a tiny ___ along the ___ ___ to the__

Answer 18

Hairs, impulse, auditory nerve, brain

Question 19

Step 5: the___ is then translated into___ by the____

Answer 19

Impulse, sound, brain

Question 20

Types of hearing loss

Answer 20

Sensorinueural : aging, noise, damage, drug side effects, auditorytumors, blast/explosion
mixed: genetic disorders, infections, head trauma
Conductive : fluid, foreign objects, allergies, ruptured eardrum, impacted ear wax