Which Joint Consists of Two Separate Articulations, One of Which

Question

Which joint consists of two separate articulations, one of which includes a sesamoid bone?
A)Shoulder
B)Hip
C)Elbow
D)Knee

Accepted Answer

The knee joint consists of two articulations: the tibiofemoral joint and the patellofemoral joint. The patella, a sesamoid bone, is part of the patellofemoral articulation.