Quiz on Sound and Ear Anatomy

What is sound primarily described as?

• A type of light wave

• A series of vibrations in the air

• A form of electrical impulse

• A type of chemical reaction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which part of the ear captures and directs sound waves towards the eardrum?

• Cochlea

• Eustachian tube

• External ear

• Vestibular apparatus

What role do the malleus, incus, and stapes in the middle ear play?

• Convert vibrations into electrical signals

• Detect head movement

• Amplify vibrations

• Process electrical impulses

Where are sound vibrations converted into electrical impulses?

• External ear

• Middle ear

• Inner ear

• Auditory nerve

What structure in the inner ear is primarily responsible for converting vibrations into electrical signals?

• Pinna

• Eustachian tube

• Cochlea

• Auditory canal

What part of the cochlea is crucial for distinguishing sound frequencies?

• Eustachian tube

• Basilar membrane

• Vestibular nerve

• Tympanic membrane

Which apparatus is used for maintaining equilibrium in the inner ear?

• Auditory apparatus

• Cochlear implant

• Vestibular apparatus

• Tympanic apparatus

What does the vestibular apparatus rely on to register head orientation and motion?

• Bone conduction

• Fluid movement

• Air pressure

• Electrical discharge

How do the semicircular canals contribute to equilibrium?

• By amplifying sound waves

• By detecting types of head movement

• By generating electrical signals

• By converting vibrations

What can lead to motion sickness in relation to the vestibular system?

• Amplified sound waves

• Electrical impulses in the cochlea

• Conflicting sensory signals

• Vibrations in the basilar membrane