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The Ear

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Questions and Answers

What is the function of the ossicles in the middle ear?

To equalize air pressure on both sides of the eardrum

To amplify vibrations and transmit them to the fluid of the inner ear (correct)

To communicate with the nasopharynx via the eustachian tube

To prevent damage to the inner ear from loud sounds

What is the function of the eustachian tube?

To prevent damage to the inner ear from loud sounds

To amplify vibrations in the middle ear

To communicate with the nasopharynx

To allow air pressure to be equalized on both sides of the eardrum (correct)

Which of the following is NOT a component of the external ear?

Pinna

Inner ear (correct)

Tympanic membrane

External auditory meatus

Which part of the ear includes the pinna and external auditory meatus?

External ear Signup and view all the answers

What are the three components of the ear?

Inner, outer, and middle ear Signup and view all the answers

What is the function of the eustachian tube?

To allow air pressure to be equalized on both sides of the eardrum Signup and view all the answers

What are the three ossicles in the middle ear?

Malleus, incus, and stapes Signup and view all the answers

What are the three ossicles found in the middle ear?

Malleus, incus, and stapes Signup and view all the answers

What is the function of the eustachian tube?

To equalize air pressure on both sides of the eardrum Signup and view all the answers

Study Notes

Each ear has 3 components: external, middle, and inner ear.
External ear includes pinna and external auditory meatus.
Sound waves travel through external auditory canal and cause eardrum to vibrate.
Vibrations of eardrum cause ossicles in middle ear to vibrate.
Ossicles amplify vibrations and transmit them to fluid of inner ear.
Middle ear has 3 ossicles: malleus, incus, and stapes.
Two small skeletal muscles prevent damage to inner ear from loud sounds.
Middle-ear cavity communicates with nasopharynx via eustachian tube.
Eustachian tube allows air pressure to be equalized on both sides of eardrum.
Inner ear is fluid-filled space.

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Description

Test your knowledge of the anatomy and function of the human ear with this informative quiz! From the external pinna to the inner ear, explore the three components of the ear and how they work together to transmit sound. Learn about the ossicles, the eustachian tube, and the role of small skeletal muscles in preventing hearing damage. Sharpen your understanding of the intricate workings of the ear with this engaging quiz!