This quiz works best with JavaScript enabled. Home > Science > Skeletal System – Quiz 80 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 80 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bones that from our skull will protect the ..... A) Brain. B) Heart. C) Lungs. D) Spinal cord. Show Answer Correct Answer: A) Brain. 2. How many bones does an ADULT human body have? A) 300. B) 206. C) 306. D) 200. Show Answer Correct Answer: B) 206. 3. Abnormal involuntary movements of the extremities, trunk, or jaw. A) Dyskinesia. B) Articulations. C) Synovectomy. D) Osteitis. Show Answer Correct Answer: A) Dyskinesia. 4. What is the longest, strongest, and heaviest bone in the human body? A) Humerus. B) Femur. C) Radius. D) Tibia. Show Answer Correct Answer: B) Femur. 5. The jellylike material in bone that makes blood cells is called ..... A) Tibia. B) Humerus. C) Blood vessels. D) Bone marrow. Show Answer Correct Answer: D) Bone marrow. 6. The shoulder girdle, the pelvic girdle and the bones of the upper and lower limbs make up the ..... skeleton. A) Appendicular. B) Axial. C) Backbone. D) Pelvis. Show Answer Correct Answer: A) Appendicular. 7. ..... is a disease in which joints become irritated or in flamed, such as when cartilage in joints is damaged or wears away A) Bacteria. B) Arthritis. Show Answer Correct Answer: B) Arthritis. 8. Infants are born without their skull bones fused. The spaces between their bones are called: A) Frontal. B) Fontanels. C) Osteospots. D) Fibrous Cartilage. Show Answer Correct Answer: B) Fontanels. 9. What is the skeletal system's main job? A) Support and structure. B) Helping the body move. C) A place to store water. D) To make blood cells. Show Answer Correct Answer: A) Support and structure. 10. A fracture the causes the bones to break into many pieces is a: A) Greenstick. B) Impacted. C) Compound. D) Comminuted. Show Answer Correct Answer: D) Comminuted. 11. Which level of organization would human body systems be categorized as? A) Cell. B) Tissue. C) Organ. D) Organ System. Show Answer Correct Answer: D) Organ System. 12. Which bone articulate with the lower end of the tibia to form the ankle joint? A) Calcaneus. B) Navicular. C) Cuboid. D) Talus. Show Answer Correct Answer: D) Talus. 13. Which function of bone is completed by the red bone marrow? A) Mineral Storage. B) Provides Structure. C) Enables Movement. D) Produces Blood Cells. Show Answer Correct Answer: D) Produces Blood Cells. 14. What is the role of cartilage? A) To support the joint. B) To provide synovial fluid. C) To support the ligaments. D) To reduce friction between bones. Show Answer Correct Answer: D) To reduce friction between bones. 15. The cells that produce bone cells are called A) Osteocytes. B) Osteoclasts. C) Osteoblasts. D) Lacunae. Show Answer Correct Answer: C) Osteoblasts. 16. The adult skeleton has (a) bones. A) A 206. B) 300. C) 400. D) 230. Show Answer Correct Answer: A) A 206. 17. What part of the skeletal system cushions other bones and also forms some structures of the body? A) JOINT. B) CARTILAGE. C) LIGAMENT. D) BONE. Show Answer Correct Answer: B) CARTILAGE. 18. What is the soft tissue inside a bone? A) Ligament. B) Cartilage. C) Marrow. D) Tendon. Show Answer Correct Answer: C) Marrow. 19. It is the formation of blood cellular components. A) Hematopoiesis. B) Hemoglopoiesis. C) Hematogenesis. D) Hemoglobin. Show Answer Correct Answer: A) Hematopoiesis. 20. What is found on the inside of bones? A) Marrow. B) Kidney Stones. C) The gallbladder. D) Cartilage. Show Answer Correct Answer: A) Marrow. ← 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