Detecting Sounds

Which of the following converts electrical signals to sound waves?

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Which of the following is NOT a part of the ear?

• Inner ear

• Outer ear

• Middle ear

• Intermediate ear

Which of the following is NOT part of the middle ear?

• Hammer

• Anvil

• Stirrup

• Cochlea

Which of the following belongs to the outer ear?

• Auditory canal

• Oval window

• Auditory nerve

• Ossicles

What is the role of the outer ear?

• Passes vibrations on to the oval window, and then the inner ear.

• Gathers sound waves and directs it to the eardrum.

• Helps us keep our balance.

• Releases chemicals which produces a signal to our brain.

What is the function of the semicircular canals?

• Pass vibrations on to the oval window, and then the inner ear.

• Gather sound waves and directs it to the eardrum.

• Help us keep our balance.

• Release chemicals which produces a signal to our brain.

What is the function of the ossicles?

• Pass vibrations on to the oval window, and then the inner ear.

• Gather sound waves and directs it to the eardrum.

• Help us keep our balance.

• Release chemicals which produces a signal to our brain.

What is the function of the hair cells in the cochlea?

• Pass vibrations on to the oval window, and then the inner ear.

• Gather sound waves and directs it to the eardrum.

• Help us keep our balance.

• Release chemicals which produces a signal to our brain.

Which of the following is NOT a cause for hearing loss?

• Ear infection

• Loud sounds

• Exercise

• Head injuries

I am shaped like a snail and contain fluids and sound-detecting cells with hairs on them. What am I?

• Cochlea

• Eardrum

• Pinna

• Ossicles