This quiz works best with JavaScript enabled. Home > Science > Skeletal System – Quiz 97 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 97 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What part of the skeletal system is used to protect the heart and the lungs? A) Ribs alone. B) Ribs and sternum. C) Vertebral column. D) Cranium. Show Answer Correct Answer: B) Ribs and sternum. 2. What classification of bone are the phalanges? A) Irregular. B) Short. C) Sesamoid. D) Long. Show Answer Correct Answer: D) Long. 3. A form of rheumatoid arthritis that primarily causes inflammation between the vertebrae. Inflammation and stiffening of vertebrae is a characteristic. A) Ankylosing Spondylitis. B) Hemarthrosis. C) Chondroma. D) Sprain. Show Answer Correct Answer: A) Ankylosing Spondylitis. 4. What Is The Purpose Of A Ribcage? A) Protect Heart And Lungs. B) Protect The Stomach. C) Provide An Object To Attach To. D) Protect The Spinal Cord. Show Answer Correct Answer: A) Protect Heart And Lungs. 5. Hey Eshaan, Kabir, and Avani! Can you tell me what are the three types of joints in the human body? A) Fibrous joints, cartilaginous joints, and synovial joints. B) Hinge joints, ball and socket joints, and pivot joints. C) Muscular joints, ligamentous joints, and tendinous joints. D) Flexible joints, rigid joints, and elastic joints. Show Answer Correct Answer: A) Fibrous joints, cartilaginous joints, and synovial joints. 6. The sliding filament theory of muscle contraction says A) Actin and myosin filaments condense, thus causing the filament to shorten which in turn shortens the muscle. B) Myosin rotates and wraps actin around it making the muscle shorter. C) Friction is reduced between thin and thick filaments causing the thick filaments to move inside the thin. D) Actin filaments bind to myosin filaments and slide over the myosin filaments, making the muscle shorter. Show Answer Correct Answer: D) Actin filaments bind to myosin filaments and slide over the myosin filaments, making the muscle shorter. 7. This consists of bones, teeth, joints, and structures that connect bones to other bones or muscles A) Flat bones. B) Skeletal system. C) Digestive system. D) Long bones. Show Answer Correct Answer: B) Skeletal system. 8. The ..... and scapulas form the shoulder girdle or joint. A) Clavicles. B) Ribs. C) Humerus. D) Phalanges. Show Answer Correct Answer: A) Clavicles. 9. The diaphysis is made of A) A large hole. B) Compact bone. C) Spongy bone. D) Periosteum. Show Answer Correct Answer: B) Compact bone. 10. The virtually useless last four fused vertebrae in the spinal column. A) Coccyx. B) Ischium. C) Ilium. D) Pelvis. Show Answer Correct Answer: A) Coccyx. 11. What is the major difference between a closed fracture and an open fracture? A) In a closed fracture, the bone doesn't break the skin; in an open fracture, it does. B) In a closed fracture, the bone breaks all the way through; in an open fracture, it doesn't. C) In a closed fracture, the bone breaks the skin; in an open fracture, it doesn't. D) In a closed fracture, the bone doesn't break all the way through; in an open fracture, it does. Show Answer Correct Answer: A) In a closed fracture, the bone doesn't break the skin; in an open fracture, it does. 12. The cranial bones include the parietal, temporal, frontal, ethmoid, sphenoid, and what else? A) Patella. B) Occipital. C) Radius. D) Phalanges. Show Answer Correct Answer: B) Occipital. 13. This type of bone is solid throughout except for the central canals and lacunae. A) Compact Bone. B) Spongy or Cancellous Bone. Show Answer Correct Answer: A) Compact Bone. 14. Joints are A) Where bones form. B) Where bones meet. C) Where bones break. D) Where bones cross. Show Answer Correct Answer: B) Where bones meet. 15. What a baby is born, what is it's skeleton made mostly of? A) Ligaments. B) Cartilage. C) Tendons. D) Joints. Show Answer Correct Answer: B) Cartilage. 16. There are 30 small bones stacked on top of each other on the spine that are called A) Skull. B) Ribs. C) Vertebrae. D) None of above. Show Answer Correct Answer: C) Vertebrae. 17. Which type of joint give you the most movement? A) Pivot. B) Ball-and-socket. C) Hinge. D) Gliding. Show Answer Correct Answer: B) Ball-and-socket. 18. Components of axial system A) Clavicle, scapula, humerus, ulna, radius, carpal bones,. B) Skull and associated bones, sternum, ribs, vertebral column. Show Answer Correct Answer: B) Skull and associated bones, sternum, ribs, vertebral column. 19. What is the function of osteoclasts? A) They connect bone to muscle. B) They break down bone structure. C) They make bone. D) They maintain bone structure. Show Answer Correct Answer: B) They break down bone structure. 20. True or false? The two main divisions of the skeletal system are the appendicular skeleton and axial skeleton. A) True. B) False. Show Answer Correct Answer: A) True. ← 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