The Ear/ CARA GAMBINA

Question 1

External auditory meatus

Answer 1

Narrow pathway conducting sound.

Question 2

AURICLE (OUTSIDE EAR)

Answer 2

Funnel sound waves

Question 3

INCUS ( MIDDLE EAR)

Answer 3

Connected to stapes - pushes on oval window.

Question 4

MALLEUS ( HAMMER)

Answer 4

Conducts sound from eardrum to incus.

Question 5

STAPES ( MIDDLE EAR)

Answer 5

Presses on the oval window of the inner ear.

Question 6

OVAL WINDOW

Answer 6

Located on the COCHLEA

Amplify sound waves

Question 7

VESTIBULE ( INNER EAR)

Answer 7

Static equilibrium- reports about head position to brain.

Question 8

AUDITORY TUBE

Answer 8

Connects middle ear with throat

Question 9

INNER EAR

Answer 9

Often called BONY LABYRINTH

Question 10

PERILYMPH( INTERNAL EAR)

Answer 10

Pushes tiny hair cells

Called sterocilia

Question 11

DYNAMIC EQUILIBRIUM

Answer 11

Found in the semicircular canals

Question 12

COCHLEA (INNER EAR)

Answer 12

Formed by vestibular and basilar membrane. The “ snail”

Question 13

PERILYMPH( INNER EAR)

Answer 13

Found in bony labyrinth. Plasma like fluid.

Question 14

BONY LABYRINTH (INNER EAR)

Answer 14

The maze of bony chambers

Filled with endolymph

Question 15

OTITIS MEDIA (MIDDLE EAR)

Answer 15

Result of sore throat- ear drum buldges.

Question 16

MECHANORECEPTERS

Answer 16

Receptors that respond to physical force.

Question 17

TYMPANIC MEMBRANE

Answer 17

Separates external from middle ear. Sound waves enter and hit membrane.

Question 18

PHARYNGOTYMPANIC

Answer 18

Runs obliquely downward link middle ear with the throat. Equalize pressure

Question 19

OSSICLES (MIDDLE EAR)

Answer 19

The three smallest bones of the body. Transmit vibratory motion

Question 20

MEMBRANOUS LABYRINTH

Answer 20

Membrane sacs in bony labyrinth

Question 21

VESTIBULAR APPARATUS ( EQULIBRIUM)

Answer 21

Receptors of the inner ear. Static and dynamic

Question 22

MACULAE

Answer 22

Membrane sacs of the vestibule. Report changes.

Question 23

OTOLITHS (STATIC EQ.)

Answer 23

Calcium salts. Head moves roll in response in changes of gravity.

Question 24

VESTIBULAR NERVE

Answer 24

Hairs cross move and send impulses along the VN.

Question 25

OTOLITHIC MEMBRANE ( STATIC EQ.)

Answer 25

Otoliths pull on the membrane in response to changes in Gravity.

Question 26

DYNAMIC EQUILBRIUM

Answer 26

Receptors found in the semicircular canals angular rotations of head.

Question 27

CRISTA ( DYNAMIC EQ.)

Answer 27

Consists of a tuft of hair cells

Question 28

CUPULA (DYNAMIC EQ.)

Answer 28

Hair cells covered with a Gelatinous cap

Question 29

COCHLEAR DUCT (MIDDLE EAR)

Answer 29

Contains hair cells for hearing

Question 30

OVAL WINDOW (MIDDLE EAR)

Answer 30

Set the cochlear fluids Ito motion

Question 31

BASILAR MEMBRANE

Answer 31

Vibrations from pressure waves in the membrane.

Question 32

COCHLEAR NERVE

Answer 32

Hair cells transmit impulses along the nerve to auditory cortex.

Question 33

CONDUCTION DEAFNESS

Answer 33

Results when something interfers with conduction of sound vibrations or ruptured ear drum.

Question 34

SENSORINEURAL DEAFNESS

Answer 34

Degeneration or damage to the receptor cells. Excessively loud sounds. Problem of nervous system.

Question 35

VERTIGO

Answer 35

A sensation of spinning. Cannot stand up w/ out discomfort.