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MDCAT Biology QUESTION #11288
Question 1
Which of the following joints is a ball-and-socket joint?
  • Elbow joint
  • Knee joint
  • Hip joint✔️
  • Ankle joint
Correct Answer Explanation
The hip joint (between the femur and acetabulum of the pelvis) and the shoulder joint are ball-and-socket joints, allowing movement in all planes. The elbow is a hinge joint, the knee is a modified hinge joint, and the ankle is a hinge joint.