This quiz works best with JavaScript enabled. Home > Science > Biology > Skeletal System – Quiz 155 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 155 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bones are considered alive. A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 2. 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. 3. 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. 4. 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. 5. Covers the external surface of the epiphysis-Made of hyaline cartilage-Decreases friction at joint surfaces A) Diaphysis. B) Epiphysis. C) Periosteum. D) Endosteum. E) Articular cartilage. Show Answer Correct Answer: E) Articular cartilage. 6. What are the two main parts of the human body called according to anatomists? A) Upper and Lower. B) Interior and Exterior. C) Axial and Appendicular. D) Left and Right. Show Answer Correct Answer: C) Axial and Appendicular. 7. What bones is the largest bone in your body? A) Femur. B) Humerus. C) Sternum. D) Tibia. Show Answer Correct Answer: A) Femur. 8. Tough, flexable connective tissue A) Exoskeleton. B) Endoskeleton. C) Cartilage. D) Flab. Show Answer Correct Answer: C) Cartilage. 9. The part of the skeleton that includes the upper and lower limbs and the pelvic girdle. A) Axis. B) Appendix. C) Axial. D) Appendicular. Show Answer Correct Answer: D) Appendicular. 10. Most of the bones have a holow and the center containing ..... ? A) Blood. B) Marrow. C) Muscles. D) Nerves. Show Answer Correct Answer: B) Marrow. 11. The foot, composed of the ....., metatarsals, and phalanges A) Tarsals. B) Carpals. C) Metacarpals. D) None of above. Show Answer Correct Answer: A) Tarsals. 12. Why are the bones of the lower limbs stronger and thicker? A) Because they are closer to the ground. B) Because they have to carry the weight of the upper body. C) Because they contain more blood. D) Because they contain more muscle. Show Answer Correct Answer: B) Because they have to carry the weight of the upper body. 13. I am the seven bones of the ankle joint. A) Tibia. B) Cranium. C) Femur. D) Tarsals. Show Answer Correct Answer: D) Tarsals. 14. Bones of the skull and hip are ..... A) Flat. B) Long. Show Answer Correct Answer: A) Flat. 15. Which key words represent the function of skeletal system? A) Protection, Posture, Storage of Minerals, Production of blood cells. B) Protection, Posture, Circulation, Leverage. C) Protection, Posture, Filter excess fluid, Supply Oxygen. D) Protection, Posture, Circulation, Immunity. Show Answer Correct Answer: A) Protection, Posture, Storage of Minerals, Production of blood cells. 16. What are the two bones in lower arm called A) Chicken and rice. B) Ulna and radius. C) Bone and leg. D) Humerus and radius. Show Answer Correct Answer: B) Ulna and radius. 17. Definition:Top of head A) Skull. B) Sternum. C) Vertebrae. D) Femur. Show Answer Correct Answer: A) Skull. 18. It is the total number of bones in an infant. A) 206. B) 208. C) 350. D) 600. Show Answer Correct Answer: C) 350. 19. Vitamin D affects bone development and repair by ..... A) Influencing the rate at which calcium is deposited in bone. B) Exchanging phosphorus for calcium in bone tissue. C) Allow absorption of calcium in the small intestine. D) Maintaining the degree of ionization of calcium salts. Show Answer Correct Answer: C) Allow absorption of calcium in the small intestine. 20. The biggest bone in the body is the A) Cranium. B) Rib cage. C) Femur. D) Humerus. Show Answer Correct Answer: C) Femur. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books