This quiz works best with JavaScript enabled. Home > Science > Biology > Skeletal System – Quiz 127 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 127 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Main opening in center of the osteon? A) Central (Haversian) canal. B) Lacuna. C) Lamellae. D) Osteons. E) Canaliculi. Show Answer Correct Answer: A) Central (Haversian) canal. 2. The type of ossification that has 2 ossification centers (primary and secondary) A) Intramembranous. B) Endochondral. C) Appositional. D) Deterministic. Show Answer Correct Answer: B) Endochondral. 3. What type of bone is the scapula? A) Flat. B) Short. C) Irregular. D) Sesamoid. Show Answer Correct Answer: A) Flat. 4. What are the ends of bones covered with that helps reduce friction when two bones are rubbed together. A) Sternum. B) Tendon. C) Ligament. D) Cartilage. Show Answer Correct Answer: D) Cartilage. 5. Which of the following statements about osteoclasts is true? A) Osteoclasts are large cells that originate by the fusion of monocytes. B) Osteoclasts are cells that give rise to new bone tissue. C) Osteoclasts become inactive with aging, giving rise to osteoporosis. D) Osteoclasts get rid of the inorganic component of the oldest cartilaginous cells and allow osteoblasts to invade the region. Show Answer Correct Answer: A) Osteoclasts are large cells that originate by the fusion of monocytes. 6. Which of the function of bones protects our internal organs? A) Support. B) Movement. C) Protection. D) Storage and production. E) None of these. Show Answer Correct Answer: C) Protection. 7. A 86 year old female was transported to the hospital after stepping off the side walk and broke her hip. This injury was most likely related to: A) Osteoporosis. B) Osteoarthritis. C) Brittle bone disease. D) Kyphosis. Show Answer Correct Answer: A) Osteoporosis. 8. The breastbone or bone that the first 10 pairs of ribs connect to on the anterior surface of the body. A) Clavicle. B) Scapula. C) Sternum. D) Vertebrae. Show Answer Correct Answer: C) Sternum. 9. What is the scientific name for your skull (head)? A) Tibia. B) Clavicle. C) Cranium. D) None of above. Show Answer Correct Answer: C) Cranium. 10. How many vertebrae make up the human spine? A) 12. B) 24. C) 30. D) 33. Show Answer Correct Answer: D) 33. 11. Metacarpals form A) The wrist. B) The palm of the hand. C) The ankle. D) Sole of the foot. Show Answer Correct Answer: B) The palm of the hand. 12. Three main layers of a bone? A) Compact, spongy, bone marrow. B) Spongy, yellow, red. C) Pivot, gliding, hinge. D) Long bone, flat bone, irregular bone. Show Answer Correct Answer: A) Compact, spongy, bone marrow. 13. What are the two main types of bones in the skeletal system? A) Smooth bone and rough bone. B) The two main types of bones in the skeletal system are compact bone and spongy bone. C) Long bone and short bone. D) Hard bone and soft bone. Show Answer Correct Answer: B) The two main types of bones in the skeletal system are compact bone and spongy bone. 14. The platelets help the blood to clot after an injury. A) True. B) False. Show Answer Correct Answer: A) True. 15. What is an abnormal left or right curvature of the spine? A) Osteoporosis. B) Osteogenesis Imperfecta (OI). C) Scoliosis. D) Craniosynostosis. Show Answer Correct Answer: C) Scoliosis. 16. What is found in the center of the bone? A) Spongy bone. B) Marrow. C) Compact bone. D) Outer membrane. Show Answer Correct Answer: B) Marrow. 17. How are a seashell and a bone alike? A) They are both made of calcium. B) They both produce bone marrow. C) The both produce red blood cells. D) They both need exercise. Show Answer Correct Answer: A) They are both made of calcium. 18. ID # 10 A) Styloid process of ulna. B) Head of radius. C) Radial tuberosity. D) Styloid process. Show Answer Correct Answer: C) Radial tuberosity. 19. Which label is the patella? A) I. B) A. C) B. D) C. E) D. Show Answer Correct Answer: A) I. 20. Which of the following is the cause of tendinitis? A) Obesity. B) Diabetes mellitus. C) Repetitive motion injury. D) Destruction of acetylcholine receptors. Show Answer Correct Answer: C) Repetitive motion injury. ← 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