Question

which membrane lines freely moveable joints such as the shoulder?
a synovial
b cutaneous
c serous
d mucous

Explanation:

Synovial membranes line synovial joints which are freely - moveable joints like the shoulder. Cutaneous membranes are related to the skin, serous membranes line body cavities, and mucous membranes line body tracts that open to the outside.

Answer:

A. Synovial