Hearing Sound Quiz

What are the three distinct parts of the human ear?

• Auricle, eardrum, and cochlea

• Hammer, anvil, and stirrup

• Cochlea, semicircular canals, and auditory nerve

• Outer ear, middle ear, and inner ear

What is the function of the outer ear?

• To move tiny hair-like cells inside the cochlea

• To send electrical signals to the brain

• To pass on vibrations to the inner ear

• To collect sound energy efficiently

Which part of the ear contains the cochlea and the semicircular canals?

• Outer ear

• Middle ear

• Inner ear

• Auditory nerve

What is the range of frequencies that humans can hear assuming normal hearing?

• 200 Hz to 20,000 Hz

• 20 Hz to 2000 Hz

• 20 Hz to 20,000 Hz

• 200 Hz to 2000 Hz

Why do dog whistles sound silent for humans but loud for dogs?

• Dog whistles emit lower frequencies than humans can hear

• Dog whistles emit higher frequencies than humans can hear

• Dog whistles are designed to be silent for humans

• Dogs have better hearing than humans

What is the function of the semicircular canals?

• To detect vibrations and send signals to the brain

• To transform sound waves into electrical signals

• To release heat and cool down the body

• To help maintain balance and detect head movements

What is the unit of measurement for sound level?

• Hertz (Hz)

• Volt (V)

• Decibel (dB)

• Watt (W)

What is the threshold of pain in terms of sound level?

• More than 150 dB

• Around 130 dB

• Around 100 dB

• Less than 80 dB

What can cause temporary hearing loss?

• Age-related hair cell damage

• Damaged or improperly formed middle or inner ear structures

• Exposure to loud music for a long time

• Infection, earwax build-up, head injury, and loud noise

What is tinnitus?

• Ringing in the ears caused by damaged cells in the inner ear

• Permanent hearing loss due to age-related hair cell damage

• A device that amplifies vibrations for those with impaired hearing

• A surgical implant that allows some people to detect sound