This quiz works best with JavaScript enabled. Home > Science > Skeletal System – Quiz 365 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 365 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is a condition of thinning and weakening of the bones due to lack of calcium and phosphorous. A) Rickets. B) Osteoporosis. C) Arthritis. D) Scoliosis. Show Answer Correct Answer: B) Osteoporosis. 2. How many bones are there in the average adult body A) 106. B) 206. C) 306. D) It varies from person to person. Show Answer Correct Answer: B) 206. 3. What is bone formation from hyaline cartilage? A) Endochondral ossification. B) Bone ossification. C) Intramembranous ossification. D) Epiphyseal plate. Show Answer Correct Answer: A) Endochondral ossification. 4. Haversian canal A) Dense bone in which the bony matrix is solidly filled with organic ground substance and inorganic salts. B) Consists of plates and bars of bone adjacent to small, irregular cavities that contain red bone marrow. C) Long cylinders that act as tiny weight-bearing pillars in the bone. D) Runs through the middle of each osteon and contains small blood vessels for nourishment and nerve fibers for signaling. Show Answer Correct Answer: D) Runs through the middle of each osteon and contains small blood vessels for nourishment and nerve fibers for signaling. 5. Red cells, white cells, and platelets are called A) Bone marrow. B) Joint. C) Ligament. D) Cartilage. Show Answer Correct Answer: A) Bone marrow. 6. Which bone is commonly known as the collarbone? A) Humerus. B) Femur. C) Tibia. D) Clavicle. Show Answer Correct Answer: D) Clavicle. 7. How is a skeletal injury usually diagnosed? A) Through medication. B) Using a plaster cast to immobilise it. C) Taking an X-ray. D) Checking how much movement the person has around the affected area. Show Answer Correct Answer: C) Taking an X-ray. 8. Which of the following is the fourth step of fracture repair? A) Hematoma forms. B) Bony callus forms. C) Bone remodeling. D) Fibrocartilage forms. Show Answer Correct Answer: C) Bone remodeling. 9. Which muscles can you NOT control? A) Voluntary. B) Involuntary. Show Answer Correct Answer: B) Involuntary. 10. What are the two kinds of bones that we have in our skeleton? A) Strong and soft. B) Femur and skull. C) Axial and appendicular. D) Bone marrow and cartilage. Show Answer Correct Answer: C) Axial and appendicular. 11. All animals have a spine A) True. B) False. Show Answer Correct Answer: B) False. 12. Movable joints are most common and are found in knees, elbows, wrist, shoulder, etc. These type of joints are called A) Diarthrotic. B) Synarthrotic. C) Ampiarthrotic. D) Vertebrae. Show Answer Correct Answer: A) Diarthrotic. 13. The 76 year old female was transported to the hospital following a fall. Upon examination, it was determined that she sustained a fracture to the head of her femur. This injury was likely related to: A) Acromegaly. B) Bone deformity. C) Myxedema. D) Osteoporosis. Show Answer Correct Answer: D) Osteoporosis. 14. The ..... includes skull, vertebral column, ribs, and sternum. A) Axial skeleton. B) Appendicular skeleton. Show Answer Correct Answer: A) Axial skeleton. 15. What is the main protein found in bones? A) Keratin. B) Hemoglobin. C) Collagen. D) Elastin. Show Answer Correct Answer: C) Collagen. 16. Who is more likely to develop Osteoporosis? A) Men. B) Women. Show Answer Correct Answer: B) Women. 17. ..... are hard organs that consist of minerals, connective tissue and two types of marrow. A) Bones. B) Muscles. C) Ligaments. D) Red Marrow. Show Answer Correct Answer: A) Bones. 18. What type of joint does the thumb have A) Saddle. B) Convert. C) Open-ended. D) Pivot. Show Answer Correct Answer: A) Saddle. 19. What is the basic structural and functional unit of the human body? A) Organs. B) Cells. C) Systems. D) Tissues. Show Answer Correct Answer: B) Cells. 20. The outside covering of bones is called the ..... A) Periosteum. B) Cancellous. C) Marrow. D) Compact. Show Answer Correct Answer: A) Periosteum. ← 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