Q2. Which of the following bones is a part of the axial skeleton?A. FemurB. ScapulaC. HumerusD. Sternum
Q3. Which of the following bones does not directly articulate with any other bone?A. HyoidB. FemurC. RadiusD. Ulna
Q4. Which of the following statements about joints is incorrect?A. Fibrous joints allow no movement.B. Cartilaginous joints allow slight movement.C. Synovial joints do not contain a fluid-filled cavity.D. Pivot joints allow rotational movement.
Q5. Which structure in the skeletal system protects the spinal cord?A. RibsB. Vertebral columnC. SternumD. Pelvic girdle
Q6. Which of the following pairs is correctly matched?A. Osteoblasts - Bone resorptionB. Osteoclasts - Bone formationC. Osteocytes - Maintain bone structureD. Chondrocytes - Blood cell production
Q7. Which disorder is incorrectly matched with its cause?A. Myasthenia gravis - Autoimmune disorderB. Osteoporosis - High estrogen levelsC. Gout - Uric acid accumulationD. Arthritis - Joint inflammation
Q8. Which of the following statements about muscle contraction is correct?A. ATP is not required for muscle contraction.B. Calcium ions are stored in the sarcolemma.C. The 'H' zone disappears during full contraction.D. Myosin heads bind to troponin directly.
Q9. What is the primary function of tendons in the musculoskeletal system?A. Connect bones to bonesB. Attach muscles to bonesC. Cushion jointsD. Store calcium
Q10. Which of the following is an example of a sesamoid bone?A. ScapulaB. PatellaC. ClavicleD. Sternum