MEDizzy
MEDizzy
USMLE
Combined ENT
Lever ratio is:
Explanation
ExplanationB. • The handle of malleus is 1.3 times longer than the long process of incus so that the lever ratio is 1.3:1. • 17: 1 is the Areal ratio • 22 is the total transformer ratio of middle ear (Areal ratio × lever ratio)
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