This quiz works best with JavaScript enabled. Home > Science > Biology > Skeletal System – Quiz 663 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 663 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Short bones are primarily responsible for: A) Protecting organs. B) Supporting weight and movement. C) Providing stability and facilitating movement. D) Reinforcing tendons. Show Answer Correct Answer: C) Providing stability and facilitating movement. 2. During infancy and childhood, the single most important stimulus of epiphyseal plate activity is ..... A) Calcitonin. B) Parathyroid hormone. C) Alkaline phosphatase. D) Growth hormone. Show Answer Correct Answer: D) Growth hormone. 3. If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up. A) Positive Feedback Response. B) Negative Feedback Loop. Show Answer Correct Answer: B) Negative Feedback Loop. 4. The tibia is the bigger bone of the lower leg. A) True. B) False. Show Answer Correct Answer: A) True. 5. What does compact bones contain inside? A) Compact bones contain a network of tiny rivers and lakes. B) Tube like structures called osteons or Haversian system which contain blood vessels and nerves. C) Compact bones contain air pockets and empty spaces. D) Compact bones contain only muscles and tendons. Show Answer Correct Answer: B) Tube like structures called osteons or Haversian system which contain blood vessels and nerves. 6. The largest bone in the human body is A) Humerus. B) Femur. C) Ulna. D) Fibula. Show Answer Correct Answer: B) Femur. 7. Which of the following is not a system of the body? A) Muscular system. B) Nervous system. C) Digestive system. D) Worried system. Show Answer Correct Answer: D) Worried system. 8. Can bones get little cracks or get broken A) Yes. B) No. Show Answer Correct Answer: A) Yes. 9. A ..... is a place where bones come together. A) Fracture. B) Joint. C) Tendon. D) Osteoblast. Show Answer Correct Answer: B) Joint. 10. A break in the bone A) Sprain. B) Fracture. C) Dislocation. D) First Aid Treatment. Show Answer Correct Answer: B) Fracture. 11. The two main minerals stored in the bones are A) Sodium and Chloride. B) Calcium and Phosphorus. C) Iron and Zinc. D) None of the above. Show Answer Correct Answer: B) Calcium and Phosphorus. 12. The neck is an example of this joint: A) Pivot. B) Ball and Socket. C) Gliding. D) Hinge. Show Answer Correct Answer: A) Pivot. 13. What is located at number 3? A) Ulna. B) Humerus. C) Radius. D) Mandible. Show Answer Correct Answer: B) Humerus. 14. These are mature bone cells A) Osteocytes. B) Osteoblasts. C) Osteoclasts. D) Osteoplasts. Show Answer Correct Answer: A) Osteocytes. 15. Haversian and Volkmann canals A) Provide passageways for blood cells. B) Provide passageways for blood vessels. C) House cells. D) I don't know. Show Answer Correct Answer: B) Provide passageways for blood vessels. 16. Cardiac muscles are striated (striped). A) True. B) False. Show Answer Correct Answer: A) True. 17. Allows two bones to rotate against each other, to turn your head from left to right A) Gliding. B) Pivot. C) Hinge. D) None of above. Show Answer Correct Answer: B) Pivot. 18. The ..... provides shape and support, enables the body to move, protects organs, produces blood cells, and stores minerals and other materials that the body needs. A) Structure. B) Fracture. C) Bones. D) Skeleton. Show Answer Correct Answer: D) Skeleton. 19. What is the role of the bicuspid valve in the heart? A) Allowing backflow of blood from the left ventricle to the left atrium. B) Controlling blood flow between the aorta and the pulmonary artery. C) Regulating blood flow between the right ventricle and the right atrium. D) Preventing backflow of blood from the left ventricle to the left atrium. Show Answer Correct Answer: D) Preventing backflow of blood from the left ventricle to the left atrium. 20. Where is yellow marrow in a long bone? A) Trapezoid. B) Medullary cavity. C) Sternum. D) None of above. Show Answer Correct Answer: B) Medullary cavity. ← PreviousNext →Related QuizzesScience QuizzesSkeletal System Quiz 1Skeletal System Quiz 2Skeletal System Quiz 3Skeletal System Quiz 4Skeletal System Quiz 5Skeletal System Quiz 6Skeletal System Quiz 7Skeletal System Quiz 8Skeletal System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books