Skeletal System Quiz 71 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What are the bones of the foot called?

Correct Answer: C) Metatarsals.

2. A reflex is n involuntary, or automatic, action that your body does in response to something-without you have to think about it.

Correct Answer: A) True.

3. Which part of the bone stores fat cells that are used for energy?

Correct Answer: C) Yellow marrow.

4. What is the largest bone in our body?

Correct Answer: A) Femur.

5. The last two pairs of ribs are called

Correct Answer: B) Floating ribs.

6. How many type of synovial joints are there?

Correct Answer: B) 6.

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

Correct Answer: A) Heart.

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

Correct Answer: B) Skeletal.

9. Which organism has an exoskeleton?

Correct Answer: D) A common beetle.

10. Ligaments are the connective tissue that attach

Correct Answer: A) Bone to Bone.

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

Correct Answer: C) Parathyroid hormone.

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

Correct Answer: A) Support.

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

Correct Answer: D) Vertebrae.

14. What is the biggest bone in the body?

Correct Answer: C) The femur.

15. This lines the medullary cavity

Correct Answer: B) Endosteum.

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

Correct Answer: A) Osteoclasts.

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

Correct Answer: B) Ribcage.

18. The bone in the which is not fixed

Correct Answer: C) Mandible.

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

Correct Answer: C) Dermis.

20. How many bones present in vertebral column

Correct Answer: A) 33.