Ear Anatomy- Hearing and Balance

Sound is caused by ______________.

• vibrations

• light

• the sun

• chemicals

Tags

NGSS.MS-PS4-1

What is the structure of the inner eat that helps us maintain our balance?

• Semicircular Canals

• Tympanic membrane

• Pinna

• Cochlea

These are the smallest bones in the body that help transmit and amplify sound waves. 

• Ossicles
• Fossils
• Oracles
• Spectacles

The main inner ear structure that enables one to hear is called the: 

• Cochlea
• Pinna
• Eustachian Tube
• Auricle

Place the following events in sequence: A) The tympanic membrane begins vibrating; B) Action potentials travel along nerve fibers of the vestibulocochlear nerve; C) The hammer, anvil, and stirrup begin moving

• B, C, A

• A, B, C

• B, A, C

• A, C, B

When sound waves cause the tympanic membrane to vibrate, these vibrations are immediately passed on to the_________.

• outer ear and ear canal

• inner ear

• tiny hairs

• three small bones in the middle ear

Tags

NGSS.MS-PS4-1

Which part of the ear acts as the sound collector?

• auricle (pinna)

• stapes

• round window

• Pharyngotympanic (auditory) tube

What is #13?

• tympanic membrane

• incus

• malleus

• cochlea

What is #19?

• Semicircular Canals

• Pharyngotympanic (auditory) tube

• Vestibulocochlear nerve

• Cochlea

What is #2?

• External acoustic meatus

• Pinna

• Incus

• Vestibule