Sound waves are converted into mechanical movements by the
(a) Auditory ossicles
(b) Cochlea
(c) Oval window
(d) Round window
(e) Tympanic membrane

검증된 단계별 안내

Understand the pathway of sound waves in the ear: Sound waves first enter the ear canal and strike the tympanic membrane (eardrum), causing it to vibrate.

Recognize that these vibrations need to be transmitted to the inner ear, where they can be converted into nerve impulses.

Identify the structure responsible for converting sound waves into mechanical movements: The auditory ossicles (malleus, incus, and stapes) are tiny bones in the middle ear that receive vibrations from the tympanic membrane and amplify them.

Note that the cochlea is involved in converting mechanical movements into electrical signals, not the initial conversion of sound waves into mechanical movements.

Conclude that the auditory ossicles are the structures that convert sound waves into mechanical movements, transmitting vibrations from the tympanic membrane to the oval window.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Tympanic Membrane

The tympanic membrane, or eardrum, vibrates when sound waves hit it, initiating the conversion of sound energy into mechanical energy. It acts as the first mechanical interface in the middle ear, transmitting vibrations to the auditory ossicles.

Auditory Ossicles

The auditory ossicles are three tiny bones (malleus, incus, stapes) in the middle ear that amplify and transmit mechanical vibrations from the tympanic membrane to the inner ear. They play a crucial role in converting sound waves into mechanical movements.

Cochlea

The cochlea is a spiral-shaped organ in the inner ear that converts mechanical vibrations into neural signals. While it processes mechanical movements into electrical impulses, it does not convert sound waves directly into mechanical movements.

Sound waves are converted into mechanical movements by the(a) Auditory ossicles(b) Cochlea(c) Oval window(d) Round window(e) Tympanic membrane