Which sequence accurately represents the transmission of vibrations through the ossicles of theear?a) Cochlea from tympanic membrane to stapes via incusb) Stapes from incus to cochlea via stapesc) Incus from stapes to malleusd) Malleus from tympanic membrane to incuse) Incus from tympanic membrane to malleus
Question
Which sequence accurately represents the transmission of vibrations through the ossicles of theear?a) Cochlea from tympanic membrane to stapes via incusb) Stapes from incus to cochlea via stapesc) Incus from stapes to malleusd) Malleus from tympanic membrane to incuse) Incus from tympanic membrane to malleus
Solution
The correct sequence for the transmission of vibrations through the ossicles of the ear is: "Malleus from tympanic membrane to incus".
Here's the step by step process:
- Sound waves enter the ear canal and hit the tympanic membrane (or eardrum).
- The vibration of the tympanic membrane causes the malleus (or hammer) to move. The malleus is the first bone in the chain of ossicles.
- The malleus, in turn, passes the vibrations onto the incus (or anvil), which is the second bone in the chain.
- The incus then transfers these vibrations to the stapes (or stirrup), which is the third and final bone in the chain.
- The stapes pushes on the oval window of the cochlea, transmitting the vibrations into the fluid inside the cochlea, initiating the process of converting these vibrations into electrical signals that can be interpreted by the brain as sound.
So, the correct answer is d) Malleus from tympanic membrane to incus.
Similar Questions
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