2.1 Anatomy and Physiology of Hearing and Balance

What is the main function of the outer ear?

• To balance the body

• To interpret sound waves

• To direct sound waves inward

• To produce sound waves

What happens when sound waves hit the eardrum?

• The eardrum produces sound

• The eardrum breaks

• The eardrum vibrates

• The eardrum absorbs the sound

How does the Eustachian tube help the ear?

• It produces earwax

• It amplifies sound

• It transmits sound to the brain

• It equalizes air pressure

What is the role of the cochlea in hearing?

• It balances the body

• It transmits sound vibrations to the brain

• It produces sound waves

• It interprets sound waves

What can cause motion sickness according to the video?

• Overstimulation of fluid in the semicircular canals

• Loud sounds

• Lack of sound

• Too much earwax