TEST 4-The Ear

Question 1

Height of waves

Answer 1

amplitude

Question 2

Space between waves

Answer 2

wavelength

Question 3

Pitch

Answer 3

height of wave stays the same but wavelength changes with high and low sounds

Question 4

Loudness

Answer 4

height of waves changes but wavelength does not

Question 5

Path of Soundwaves

Answer 5

Outer Ear
    Pinna
    Auditory Canal
    Tympanic Membrane (eardrum)
Middle Ear
    Malleus (hammer)
    Incus (anvil)
    Stapes (stirrup)
Inner Ear 
    Oval Window
    Cochlea

Question 6

Outer Ear

Answer 6

soundwaves move through air

Question 7

Pinna

Answer 7

Outer Ear

collect sound waves and funnel them into the ear

Question 8

Auditory Canal

Answer 8

outer ear

physical separation protection

Question 9

Tympanic Membrane

Answer 9

outer ear
eardrum
change soundwaves, can’t go through, bounce off and vibrate

Question 10

Middle Ear

Answer 10

soundwaves travel through solids (bones)

Question 11

Chamber in the Middle Ear

Answer 11

air-filled
malleus (hammer)
incus (anvil)
stapes (stirrup)
vibrate at different frequencies

Question 12

Inner Ear

Answer 12

soundwaves travel through liquid

Question 13

Oval Window

Answer 13

inner ear

thin membrane-keeps liquid in

Question 14

Functions

Answer 14

detecting sound waves
dynamic equilibrium
static equilibrium

Question 15

Decibel

Answer 15

0 (perfect silence)-120 (painful)

Question 16

Conduction Deafness

Answer 16

something that doesn’t allow soundwaves to move through eardrum or middle ear bones

Question 17

Nerve Deafness

Answer 17

muscles tighten to protect your hearing

rupture eardrum-comes from sudden, loud sound, eardrum tears, scar tissue forms

Question 18

Eustachian Tube

Answer 18

connects middle ear to throat

air pressure has to be equalized

Question 19

Reasons why children are more likely to have ear infections

Answer 19

1. E. T. is shorter
2. E. T. is steep
3. has adenoids-lymph nodes

Question 20

Lymph System

Answer 20

lymph fluid: what surrounds cells, water

white blood cells live in lymph nodes, clean lymph fluid, more white blood cells when sick (swelling)

Question 21

If you have frequent ear infections

Answer 21

tubes go in the eardrum-equalize pressure on the other side

remove adenoids

Question 22

Stereohearing

Answer 22

helps pinpoint where sound is coming from

Question 23

Dynamic Equilibrium

Answer 23

in the inner ear
3 semicircular canals
hairs bend when movement happens-triggers nerve

Question 24

Planes of Dynamic Equilibrium

Answer 24

horizontal plane-walking
vertical plane-bending over
diagonal plane-cartwheel

Question 25

Dizziness and Motion Sickness

Answer 25

dizziness-ears and eyes are signals to the brain, brain gets confused because it is receiving different signals
motion sickness-eyes and semicircular canals are sending conflicting messages

Question 26

Static Equilibrium

Answer 26

inner ear
2 chambers-utricle and saccule
otoliths or statoliths tell body what position it is to gravity

Question 27

lith-

Answer 27

stone

Question 28

oto-

Answer 28

ear

Question 29

stat-

Answer 29

station, position