In a laboratory, students are provided with the shown model of human pelvic girdle to count thenumber of joints.The CORRECT number of joints as counted by students within this pelvic girdle is
Correct answer: A. 2
- A. 2
- B. 4
- C. 5
- D. 6
Explanation
The pelvic girdle typically consists of two major joints: the sacroiliac joint (each connecting the sacrum to the ilium of the pelvis on either side) and pubic symphysis. So option A is correct. All other options give wrong number of joints.
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Joints are connections between bones that provide movement, stability or both. Coverage includes fibrous, cartilaginous and synovial joints, the structure of a synovial joint, cartilage, ligaments and synovial fluid, and the difference between ligaments that join bones and tendons that attach muscle to bone.
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