1. Which bone cells produce osteocalcin when stimulated by 1,25-dihydroxyvitamin D
and synthesize osteoid?
a. Osteoclasts
b. Osteocytes
c. Fibrocytes
d. Osteoblasts
2. What happens to the original bone during the second phase of bone remodeling?
a. The original bone is replaced.
b. It hardens.
c. The original bone is resorbed.
d. It is synthesized.
3. Which cells function to maintain bone matrix?
a. Osteoclasts
b. Osteocytes
c. Osteoblasts
d. Osteophytes
4. Which bone cells are large and multinucleated and contain lysosomes filled with
hydrolytic enzymes?
a. Osteoblasts
b. Osteoclasts
c. Osteocytes
d. Fibrocytes