Advanced Pathophysiology Exam Guide

1. Which bone cells produce osteocalcin when stimulated by 1,25-dihydroxyvitamin D and synthesize osteoid? a. Osteoclasts b. Osteocytes c. Fibrocytes d. Osteoblasts D 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 C 3. Which cells function to maintain bone matrix? a. Osteoclasts b. Osteocytes c. Osteoblasts d. Osteophytes B 4. Which bone cells are large and multinucleated and contain lysosomes filled with hydrolytic enzymes? They also have a short life span. a. Osteoblasts b. Osteoclasts c. Osteocytes d. Fibrocytes B 5. Which bone cell secretes hydrochloric acid to help dissolve bone minerals and collagenase, thus aiding in the digestion of collagen? a. Osteocytes b. Osteoblasts c. Osteoclasts d. Osteophytes C