The first bone that is affected by a sound is called the ________; the last bone that is affected by a sound is called the ________.
A) anvil (incus); stirrup (stapes)
B) hammer (malleus); anvil (incus)
C) stirrup (stapes); hammer (malleus)
D) hammer (malleus); stirrup (stapes)

Question

Quizplus · Accepted Answer

The first bone that is affected by a sound is the hammer (malleus), which is connected to the eardrum. The vibration is then passed onto the anvil (incus), which is the second bone in the chain. The last bone that is affected by a sound is the stirrup (stapes), which is the final bone in the chain and connects to the cochlea in the inner ear. Therefore, the correct choice is D.

The First Bone That Is Affected by a Sound Is