Lesson 6 Hearing and the Ear

Which of the following is a function of our ears?

• To help us balance

• To perceive sound

• To ventilate the body

• Both a and b

• All of the Above

The pinna, also called the auricle, refers to:

• The tube that carries sound deeper inside the ear

• The outside of the ear, commonly referred to as just 'the ear'

• The thin sheet that vibrates when sound hits it

• The bones in the middle ear

• The fluids in the inner ear

Which of the following parts of the ear is in danger of being damaged when something is in your ear?

• Cochlea

• Ear Canal

• Eardrum

• Stirrup

• Ossicles

How many bones are in the middle ear?

• 1

• 2

• 3

• 4

• 5

Which of the following is NOT a name for one or all of the bones in the middle ear?

• Stirrup

• Hammer

• Ossicles

• Sternum

• Anvil

True or False: The stirrup is the smallest bone in the body.

• True

• False

Which of the following parts of the ear helps translate sound into electrical signals?

• Cochlea

• Ear Canal

• Eardrum

• Stirrup

• Ossicles

Having two ears specifically helps with which of the following?

• The magnitude of sounds

• Different types of sounds

• The range of sounds

• Multiple sounds at the same time

• The direction of sounds

True or False: Humans can hear higher pitch sounds than cats and dogs.

• True

• False

How does the body keep balance?

• Sense of touch

• Eyes

• Fluid in the inner ear

• Both a and b

• All of the Above