Skeletal System Quiz 71 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the largest bone in our body?

Correct Answer: A) Femur.

2. The last two pairs of ribs are called

Correct Answer: B) Floating ribs.

3. How many type of synovial joints are there?

Correct Answer: B) 6.

4. This muscle is an involuntary muscle and moves on it's own.

Correct Answer: A) Heart.

5. Which system's primary function is to protect and support the body?

Correct Answer: B) Skeletal.

6. Which organism has an exoskeleton?

Correct Answer: D) A common beetle.

7. Ligaments are the connective tissue that attach

Correct Answer: A) Bone to Bone.

8. Activates osteoblasts to break down bone matrix so calcium is released into the blood:

Correct Answer: C) Parathyroid hormone.

9. The skeletal system gives ..... to an organism's body

Correct Answer: A) Support.

10. Which of the following structures is found in your axial skeleton?

Correct Answer: D) Vertebrae.

11. What is the biggest bone in the body?

Correct Answer: C) The femur.

12. This lines the medullary cavity

Correct Answer: B) Endosteum.

13. Bone cells that destroy bone with enzymes and acids to make way for new bone to be built

Correct Answer: A) Osteoclasts.

14. What protects the the heart and other internal organs?

Correct Answer: B) Ribcage.

15. The bone in the which is not fixed

Correct Answer: C) Mandible.

16. This is the middle layer of the skin and is called "TRUE SKIN" .

Correct Answer: C) Dermis.

17. How many bones present in vertebral column

Correct Answer: A) 33.

18. What is the purpose of the joints in the skeletal system?

Correct Answer: D) To allow movement and provide stability.

19. Where are red blood cells made in a long bone?

Correct Answer: B) Red bone marrow.

20. Scoliosis is also known as sway back.

Correct Answer: B) False.