Assignment 4

Answer any four of the questions.

1. Compare and contrast compact bone to spongy bone. Where is each type of bone found?
2. Compare and contrast the steps of intramembranous bone ossification and endochondral bone ossification.
3. What are some of the manifestations, measures of prevention and treatments for rickets and osteomalacia?
4. Describe five functions of bone.
5. Discuss the location, direction, purpose and time of formation of the four curves of the spine. What is the composition and duty of the intervetebral discs?
6. What steps do you think should be taken to reduce the chances of bones accumulating abnormal metallic elements such as lead, radium, and strontium in bones?
7. Why do elderly persons often develop bowed backs and appear shorter than they were in earlier years?
8. Describe the role of bone as a calcium reservoir under the control of a specific set of hormones that stimulate opposing activities of osteocells to maintain blood calcium homeostasis.
9. Define a fracture and describe the sequence of events involved in fracture repair, with respect to cells and molecules from the blood, general connective tissue, and bone.