Which is a component of a total knee replacement?

a. Femoral head component
b. Tibial stem component
c. Patellar component
d. Humeral head component

ANS: C
The knee prosthesis consists of a multiradius femoral component, a modular tibial component, and a patellar component. The types of prostheses to be used depend on the deformity of the femorotibial articulation, patellofemoral articulation, and the structure of the cruciate and collateral ligaments. Arthroplasty is the reconstruction of a joint.