Mechanical advantage provided by lever action of malleus: (A) 2:01, (B) 1.3 : 1, (C) 1.8 : 1, (D) 1:01
Answer is B. The handle of the malleus is 1.3 times longer than the long process of the incus, providing a mechanical advantage of 1.3. (Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra 6th edition; page no.14)