272245
Descripción
Test por Petite Piplup, actualizado hace más de 1 año
|
Creado por Petite Piplup
hace casi 11 años
|
|
Pregunta 1
Pregunta
What are the components of the middle ear?
Respuesta
-
Vestibular canal, middle ear muscles, cochlea
-
Cochlea, middle ear muscles, ossicles
-
Eustachian tube, middle ear muscles, cochlea
-
Ossicles, middle ear muscles, Eustachian tube
Pregunta 2
Pregunta
What is the function of the ossicles?
Respuesta
-
Amplification
-
Decreasing instensity
-
Localisation
-
Protection
Pregunta 3
Pregunta
How else does the middle ear increase amplification?
Respuesta
-
The middle ear muscles vibrate helping sounds reverberate
-
17:1 ratio of oval window to tympanic membrane leading to increased intenisity
-
The opening and closing of the Eustachian tube intensifies vibrations
-
The external auditory meatus is funnel shaped increasing amplitude further down
Pregunta 4
Pregunta
a) How does the middle ear help protect against loud noises?
b) What is this effective against?
Respuesta
-
a) Ossicles send some vibrations back toward tympanic membrane and out the ear b) Short term and self-generated sounds
-
a) Middle ear muscles clench around ossicles b) Only sounds above 45 deciBels
-
a) Middle ear muscles clench around ossicles b) Short term and self-generated sounds
-
a) Ossicles send some vibrations back toward tympanic membrane and out the earb) Only sounds above 45 deciBels
Pregunta 5
Pregunta
What is the function of the Eustachian tube?
Respuesta
-
Equalize the frequency of most sounds so that they are within the human-hearing spectrum
-
Decrease the intensity of sounds before they reach the inner ear
-
Amplify sounds before they reach the inner ear
-
Equalize pressure build-up in the ear
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.