Ear Structure and Function 2

We make _ to trap dirt and bacteria that could impair our hearing.

Which of these traces the pathway that sound (and information) follows on its way to the brain?

• Ear Canal -> ossicles -> tympanic membrane -> cochlea -> auditory nerve

• Ear Canal -> tympanic membrane -> ossicles -> cochlea -> auditory nerve

• Ear Canal -> tympanic membrane -> ossicles -> semicircular canals -> auditory nerve

• Ear Canal -> ossicles -> tympanic membrane -> semicircular canals -> auditory nerve

Tags

NGSS.MS-LS1-8

Which of these vibrate to pass on information about the soundwaves?

• Tympanic Membrane

• Ossicles

• Cochlea

• Pinna

Which of these is the correct order that the ossicles are connected:

• Malleus (Hammer), then Incus (Anvil), then Stapes (Stirrup)

• Stapes (Stirrup), then Incus (Anvil), then Malleus (Hammer)

• Incus (Anvil), then Malleus (Hammer), then Stapes (Stirrup)

Tags

NGSS.MS-LS4-2

This is lined with nerve endings that become electrically charged when fluid moves past them, which detects sound sound (including pitch and tone)

• Tympanic membrane

• Cochlea

• Semicircular canals

• Auditory nerve

Function: maintain the appropriate pressure in the middle ear; yawning and chewing can help keep the pressure balanced.

• Cochlea

• Semicircular canals

• Eustachian tube

• Ossicles

Which of these is the structure involved with balance and body position (and has nothing to do with hearing)?

• Auricle

• Eustachian Tube

• Semicircular canals

• Cochlea

Fluid moving in the ___ causes you to feel dizzy even after you stop spinning around

• Cochlea

• Eustachian Tube

• External Auditory Meatus

• Semicircular canals