ATI Fundamentals Assessment Exam Midterm | Nurselytic

Correct Answer: A

Rationale: The correct answer is A: Tympanic Membrane. The tympanic membrane, also known as the eardrum, is part of the middle ear. It separates the external ear from the middle ear and vibrates in response to sound waves. This vibration is then transmitted to the ossicles (tiny bones in the middle ear) to amplify sound before reaching the inner ear.


Choice B: Ear lobe is incorrect because the ear lobe is a soft, fleshy lower part of the external ear and is not part of the middle ear.


Choice C: Cochlea is incorrect because the cochlea is part of the inner ear, not the middle ear. It is responsible for converting sound vibrations into electrical signals that are sent to the brain.


Choice D: Pinna is incorrect because the pinna, also known as the auricle, is the visible part of the ear that collects sound waves and directs them into the ear canal. It is part of the external ear, not the

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