Question

what bone articulates with the coxal bone at the acetabulum?

fibula
tibia
humerus
sacrum
femur

Explanation:

The acetabulum is the socket - like structure on the coxal bone. The femur, the thigh bone, has a head that fits into the acetabulum to form the hip joint. The fibula and tibia are lower - leg bones, the humerus is the upper - arm bone, and the sacrum is a part of the vertebral column.

Answer:

E. femur