This quiz works best with JavaScript enabled. Home > Science > Skeletal System – Quiz 154 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 154 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many bones are the adult human body? A) 206. B) 216. C) 226. D) 236. Show Answer Correct Answer: A) 206. 2. Hematopoiesis is the production of new A) Blood cells. B) Osteocytes. C) Chondrocytes. D) None of above. Show Answer Correct Answer: A) Blood cells. 3. What is inside bones? A) Nothing, they are hollow. B) A jellylike tissue called marrow, which fills the cavities of the bones. C) A hard substance that makes the bones heavy. D) None of above. Show Answer Correct Answer: B) A jellylike tissue called marrow, which fills the cavities of the bones. 4. The bowl shaped collection of bones that protect your internal organs such as your digestive system is called the ..... A) Pelvis. B) Ribcage. C) Spine. D) Abdomen. Show Answer Correct Answer: A) Pelvis. 5. Builds the matrix ("osteoid") of the bone A) Osteogenic cells. B) Osteocytes. C) Osteoblasts. D) Osteoclasts. Show Answer Correct Answer: C) Osteoblasts. 6. This joint allow side to side, rotating, straightening and bending movements. They are located in the shoulders and hips. A) Ball-and-socket joint. B) Hinge joint. C) Pivot joints. D) Gliding joints. Show Answer Correct Answer: A) Ball-and-socket joint. 7. These bones are located in your hand A) Carpals. B) Tarsals. C) Ribs. D) Cranium. Show Answer Correct Answer: A) Carpals. 8. What should you do if you break a bone? A) Wrap it up. B) Put it in a cast. C) Nothing. D) Fix it yourself. Show Answer Correct Answer: B) Put it in a cast. 9. True ribs have-pairs? A) 7. B) 8. C) 11. D) 2. Show Answer Correct Answer: A) 7. 10. The thoracic cage does NOT protect these organs. A) Heart. B) Lungs. C) Small Intestine. D) Liver. Show Answer Correct Answer: C) Small Intestine. 11. A tough, elastic tissue present on the surface of bones, at the joints is called ..... A) Ligaments. B) Cartilage. C) Femur. D) Humerus. Show Answer Correct Answer: B) Cartilage. 12. Where is the diaphysis area of the bone? A) The center opening of the bone. B) The middle of the bone. C) The regions at the end of the bone. D) Surrounds the outside of the bone. Show Answer Correct Answer: B) The middle of the bone. 13. Light bone that makes up part of the nasal and orbital cavities and is anterior to the sphenoid bone A) Ethmoid bone. B) Zygomatic bone. C) Lacrimal bone. D) Cheeks. Show Answer Correct Answer: A) Ethmoid bone. 14. Which of the following is considered part of the Appendicular Skeleton? A) Skull. B) Vertebral Column. C) Ribs. D) Arms and Legs. Show Answer Correct Answer: D) Arms and Legs. 15. Is caused by a lack of vitamin D in children making bones soft and weak A) Osteoporosis. B) Scoliosis. C) Osteogenesis imperfecta. D) Rickets. E) Osteosarcoma. Show Answer Correct Answer: D) Rickets. 16. The rib cage protects the A) Heart & kidney. B) Liver & heart. C) Heart & lungs. D) Heart, lungs, kidney. Show Answer Correct Answer: C) Heart & lungs. 17. Bones are considered alive. A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 18. I am known as the collarbone. I allow your arms to hang freely. A) Cranium. B) Clavicle. C) Ribs. D) Radius. Show Answer Correct Answer: B) Clavicle. 19. Which type of bone cell(s) is/are involved in the BREAKDOWN of bone during bone remodeling or when the body is in need of calcium to be extracted from the bone? A) Osteocyte. B) Osteoblast. C) Osteoclast. D) Osteon. Show Answer Correct Answer: C) Osteoclast. 20. If you cut a bar magnet in half, it forms 4 poles A) 2 poles. B) 4 poles. C) 8 poles. D) 6 poles. Show Answer Correct Answer: B) 4 poles. ← PreviousNext →Related 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 9Skeletal System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books