Skeletal System Quiz 375 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. How does marrow change throughout a person's lifetime?

Correct Answer: A) Infants contain a lot of red marrow, and over time much of it gets converted to yellow marrow.

2. Where can you classify the skull bone?

Correct Answer: A) Flat bones.

3. Ball and socket joint found in

Correct Answer: A) Shoulders.

4. Which two major organs are protected by the thorax (or ribcage)?

Correct Answer: B) Heart and Lungs.

5. Spongy bone tissue.

Correct Answer: A) Contains interconnecting rods called trabeculae.

6. What is located at number 5?

Correct Answer: A) Pelvis.

7. Long bones are called long bones because they are longer than other bones.

Correct Answer: D) False.

8. Infants have ..... bones

Correct Answer: A) 300.

9. The main purpose of synovial fluid is:

Correct Answer: B) Lubrication.

10. Which type of joints has the head of bone that fits into a round socket of another?

Correct Answer: B) Ball and Socket Joint.

11. What are the three types of joints in the human body?

Correct Answer: C) Hinge, ball and socket, gliding.

12. How many bones are found, on average, in an adult?

Correct Answer: D) 206.

13. When a bone is splintered or crushed, it is a ..... fracture.

Correct Answer: B) Comminuted.

14. What type of cells does calcitonin stimulate.

Correct Answer: A) Osteoblasts.

15. The outer covering of the bone; it covers the diaphysis .....

Correct Answer: D) Periosteum.

16. Opening through a bone serves as passageway for blood vessels or nervess

Correct Answer: D) Foramen.

17. Which kind of muscle is responsible for walking

Correct Answer: B) Striated.

18. The hard, outer portion of bones is made of ..... bone tissue

Correct Answer: B) Compact.

19. It protects the eyeball

Correct Answer: A) Eye socket.

20. The wrist is an example of which type of joint?

Correct Answer: C) Ellipsoid/Condyloid.