Auditory System

Question 1

Middle Ear

Answer 1

Malleus, Incus, Stapes

Question 2

Inner Ear

Answer 2

Cochlea

Question 3

Directs sound into ear

Answer 3

Pinna

Question 4

Allows sound to travel

Answer 4

External Auditory Canal

Question 5

Function of Wax

Answer 5

Waterproof, Protection, Prevents growth of bacteria, and Prevents bugs from getting into the ear

Question 6

Function of Ear Hair

Answer 6

Blocks insects and Feeling

Question 7

Amplitude

Answer 7

Height, Loudness of a sound

Question 8

Frequency

Answer 8

Cycles, The pitch of a sound

Question 9

A part of the ear in which sound waves hit and creates a vibration and reproduces the frequency and form of the second wave

Answer 9

Tympanum (Ear Drum)

Question 10

Outer Ear

Answer 10

Pinna, External auditory canal, Lobule

Question 11

Function of Malleus, Incus, and Stapes

Answer 11

Amplify/ magnifies sounds

Question 12

Ampulla

Answer 12

Detects motion

Question 13

Utricle

Answer 13

Balances fluid due to horizontal motion

Question 14

Saccule

Answer 14

Balances fluid due to vertical motion

Question 15

Macula

Answer 15

Detects motion

Question 16

Endolymph

Answer 16

A fluid that is located in the cochlea duct that contains high potassium

Question 17

Perilymph

Answer 17

A fluid in the cochlea duct that contains low amounts of potassium

Question 18

Otoliths

Answer 18

Stones in saccule and utricle that detect motion and resist against the fluids

Question 19

Hair cells

Answer 19

Detects the motion

Question 20

Cochlea

Answer 20

Transfers sound and vibrations into nerve impulses

Question 21

Round Window

Answer 21

Absorbs the sound and takes away the echo

Question 22

Oval Window

Answer 22

Let’s sound in from the stapes

Question 23

Scala Vistibuli

Answer 23

Located in the cochlea

Question 24

Cochlear Duct/ Scala media

Answer 24

Located in the cochlea that picks up the water vibrations that sends it to the nerves

Question 25

Function of Malleus, Incus, and Stapes

Answer 25

Amplify/ magnifies sounds

Question 26

Organ of Corti

Answer 26

Give nerve signals in response to sound vibrations

Question 27

Outer Hair Cells

Answer 27

Push against tectorial membrane which allows to hear low sounds

Question 28

Inner Hair Cells

Answer 28

Cells that project nerve signals to the brain

Question 29

Eustachian tube

Answer 29

Drains out debris from the middle ear