This quiz works best with JavaScript enabled. Home > Science > Skeletal System – Quiz 443 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 443 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A total knee replacement is abbreviated as: A) THA. B) TKA. C) TKR. D) ORIF. Show Answer Correct Answer: C) TKR. 2. What do you call a soft tissue bone found in the nose, ears and joints? A) Bone marrow. B) Cartilage. C) Compact bone. D) Spongy bone. Show Answer Correct Answer: B) Cartilage. 3. There are about ..... sweat glands in the skin. A) 3, 000. B) 30, 000. C) 300, 000. D) 3, 000, 000. Show Answer Correct Answer: D) 3, 000, 000. 4. Allows bones to resist breaking when stretched A) Osteoblasts, osteocytes, and osteoclasts. B) Collagens and other proteins. C) Calcium and phosphate minerals. D) Red bone marrow. E) Yellow bone marrow. Show Answer Correct Answer: B) Collagens and other proteins. 5. What is the longest bone of the upper arm? A) Humerus. B) Femur. C) Endosteum. D) Axial Skeleton. Show Answer Correct Answer: A) Humerus. 6. This part of the body protects your heart and lungs. A) Brain. B) Ribs. C) Pelvis. D) None of above. Show Answer Correct Answer: B) Ribs. 7. Bones can store minerals for the body A) True. B) False. Show Answer Correct Answer: A) True. 8. ..... is the inner framework of the body made of bones and cartilage? A) Muscle. B) Flesh. C) Skeleton. D) Face. Show Answer Correct Answer: C) Skeleton. 9. The term phalanges refer to the bones of the ..... A) Fingers. B) Toes. C) Fingers and toes. D) Hands and feet. Show Answer Correct Answer: C) Fingers and toes. 10. What are the structures/organs of the Muscular System? A) Bones, cartilage, ligaments, joints. B) Skin, hair, nails, sweat glands, oil glands. C) Skeletal muscle, smooth muscle, cardiac muscle. D) None of above. Show Answer Correct Answer: C) Skeletal muscle, smooth muscle, cardiac muscle. 11. Dark bands are also called ..... bands. A) Actin. B) I. C) A. D) Myosin. Show Answer Correct Answer: C) A. 12. What are the functions of the red bone marrow? A) Produces red blood cells, white blood cells, and platelets. B) Produces only platelets. C) Produces only plasma. D) Produces only red blood cells. Show Answer Correct Answer: A) Produces red blood cells, white blood cells, and platelets. 13. According to the 'all or nothing principle' once nerve impulse reaches the required threshold what occurs at once? A) A build up of contractions. B) All contractions. C) Small contractions. D) Large contractions. Show Answer Correct Answer: B) All contractions. 14. The central opening in the osteon that carries blood vessels and nerves is referred to as the ..... A) Haversian canal. B) Lamellae. C) Volkmann's channel. D) Lacunae. Show Answer Correct Answer: A) Haversian canal. 15. Elbow A) Amphiarthrotic. B) Diarthrotic. C) Synarthrotic. D) None of above. Show Answer Correct Answer: B) Diarthrotic. 16. Definition:Chest bone A) Clavicle. B) Femur. C) Sternum. D) Ribs. Show Answer Correct Answer: C) Sternum. 17. A major job of the skeletal system is to: A) Support the body. B) Protect the organs. C) Provide red blood cells in marrow. D) All of these choices. Show Answer Correct Answer: D) All of these choices. 18. Imagine Michael, Mia, and Nora are playing a game of 'Doctor Doctor'. They are discussing various injuries and diseases related to the skeletal system. Which one of the following options that Michael suggests is NOT an injury or disease of the skeletal system? A) Stroke. B) Sprain. C) Osteoporosis. D) Fracture. Show Answer Correct Answer: A) Stroke. 19. What is outer dense part of bone? A) Marrow. B) Cartilage. C) Spongy bone. D) Compact bone. Show Answer Correct Answer: D) Compact bone. 20. Which of the following means mature bone cells? A) Osteology. B) Osteocytes. C) Osteoblasts. D) Osteoclasts. Show Answer Correct Answer: B) Osteocytes. ← 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