Q1. Which ligament connects the femur to the tibia in the knee joint?A. Achilles tendonB. Anterior cruciate ligament (ACL)C. Collateral ligamentD. Patellar ligament
Q2. Which joint allows movement in all directions?A. Hinge jointB. Ball and socket jointC. Pivot jointD. Gliding joint
Q3. Which statement about the sliding filament theory is incorrect?A. Actin filaments slide over myosin filaments.B. ATP is required for muscle contraction.C. Calcium ions are not involved in contraction.D. Myosin heads form cross-bridges with actin filaments.
Q4. What is the function of synovial fluid in synovial joints?A. Provides oxygen to bonesB. Lubricates jointsC. Prevents muscle fatigueD. Stores calcium
Q5. Which of the following bones forms the pectoral girdle along with the clavicle?A. HumerusB. ScapulaC. SternumD. Radius
Q6. Which condition is incorrectly matched with its cause?A. Osteoporosis - Low estrogen levelsB. Gout - Uric acid accumulationC. Myasthenia gravis - Bacterial infectionD. Arthritis - Joint inflammation
Q7. Which part of a sarcomere remains unchanged during muscle contraction?A. I-bandB. H-zoneC. A-bandD. Z-line
Q8. Which of the following statements about muscle contraction is correct?A. ATP is not required for muscle contraction.B. Myosin heads form cross-bridges with actin filaments.C. Calcium ions play no role in muscle contraction.D. Actin filaments shorten during contraction.
Q9. Which condition is characterized by painful inflammation of the bursae in joints?A. ArthritisB. BursitisC. GoutD. Osteoporosis
Q10. Which condition is caused by a deficiency of vitamin D?A. OsteoporosisB. RicketsC. ArthritisD. Gout