This quiz works best with JavaScript enabled. Home > Science > Biology > Skeletal System – Quiz 409 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Skeletal System Quiz 409 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sam has low vitamin D and his legs are starting to bow out. What condition might he have? A) Rickets. B) Osteoarthritis. C) Osteoporosis. D) Rheumatoid arthritis. Show Answer Correct Answer: A) Rickets. 2. The largest organ of your body is your ..... A) Heart. B) Lungs. C) Skin. D) Stomach. Show Answer Correct Answer: C) Skin. 3. Flexion is a straightening movement around a joint A) True. B) False. Show Answer Correct Answer: B) False. 4. Which is an example of a movable joint? A) Ribs. B) Skull. C) Knee. D) None of above. Show Answer Correct Answer: C) Knee. 5. How many bones do humans have? A) 300. B) 206. C) 400. D) None of above. Show Answer Correct Answer: B) 206. 6. The bones of the cranium are connected with this kind of joint A) Ball and socket. B) Hinge. C) Pivot or Sliding. D) Immovable. Show Answer Correct Answer: D) Immovable. 7. Which of the following statements about osteoporosis are not true? I. It causes pain and swelling of jointsII. It is decrease of bone massIII. Calcium deficiency and insufficient vitamin D can contribute to osteoporosisIV. It is a result of excessive phosphate and calcium accumulation in bones A) I and II only. B) II and III only. C) I and IV only. D) II and IV only. Show Answer Correct Answer: C) I and IV only. 8. What is the agonist and what is the antagonist in a bicep curl? A) Biceps are the agonist, triceps are the antagonist. B) Triceps are the agonist, biceps are the antagonist. Show Answer Correct Answer: A) Biceps are the agonist, triceps are the antagonist. 9. Most common type of arthritis; caused by wear and tear A) Osteoarthritis. B) Rheumatoid arthritis. C) Gout. D) Bursitis. Show Answer Correct Answer: A) Osteoarthritis. 10. All bones are of the same size and shape- A) True. B) False. Show Answer Correct Answer: B) False. 11. The thick ends of a long bone are called ..... A) Diaphyses. B) Growth Plates. C) Epiphyses. D) Medullary Cavities. Show Answer Correct Answer: C) Epiphyses. 12. Movements that you cannot control are called? A) Strain. B) Sprain. C) Voluntary. D) Involuntary. Show Answer Correct Answer: D) Involuntary. 13. What is the name used for the frog's balance? A) Foreleg. B) Hind Leg. C) Webbed Toes. D) None of above. Show Answer Correct Answer: A) Foreleg. 14. Cells that synthesize bones: A) Osteoblast. B) Osteoclast. C) Osteocyte. D) Osteoporosis. Show Answer Correct Answer: A) Osteoblast. 15. The heart is made up of what type of muscle? A) Smooth. B) Cardiac. C) Skeletal. D) None of above. Show Answer Correct Answer: B) Cardiac. 16. Joints between skull bones A) Diarthrotic/synovial. B) Fibrous/suture. C) Amphiarthrotic/epiphyseal disk. D) None of above. Show Answer Correct Answer: B) Fibrous/suture. 17. Only movable bone in the skull is A) Eye socket. B) Nose. C) Upper jaw. D) Lower jaw. Show Answer Correct Answer: D) Lower jaw. 18. This is the tough covering on the bone. A) Periosteum. B) Endosteum. C) Beams. D) Intracortical. Show Answer Correct Answer: A) Periosteum. 19. C4 What is an unborn baby's skeleton made of? A) Marrow. B) Muscles. Show Answer Correct Answer: A) Marrow. 20. Bone that forms from the membrane-like layers of connective tissue A) Connective bone. B) Cartilaginous bone. C) Intramembranous bone. D) Endochondral bone. Show Answer Correct Answer: C) Intramembranous bone. ← 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