Which of the following joints is classified as a synarthrosis?
A) The joint between two vertebrae
B) The joint between the femur and the pelvis
C) The joint between the humerus and the radius and ulna
D) An interphalangeal joint of the hand (knuckle)
Ans: A
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Synarthroses are joints that lack a joint cavity and move a little or not at all, such as the vertebral bodies joined by intervertebral disks. The hip joint, elbow, and knuckles are all moveable synovial joints.
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