NURS 8022- Final Exam – M/S (Musculoskeletal System - Phys and Pathophys) Qs&As A+ Review

NURS 8022- Final Exam – M/S (Musculoskeletal System - Phys and Pathophys) Qs&As A+ Review axial skeleton - ANS-Portion of the skeletal system that consists of the skull, rib cage, and vertebral column; 80 bones Appendicular skeleton - ANS-bones of the shoulder, pelvis, and upper and lower extremities; 126 bones osteoblasts - ANS-bone forming cells; bone is shaped according to function; derived from mesenchymal cells; produce osteocalcin when stimulated by vitamin D osteoclasts - ANS-Bone-destroying cells, break down bone matrix for remodeling and the release of calcium; large and multinucleated osteocytes - ANS-a bone cell, formed when an osteoblast becomes embedded in the matrix it has secreted; maintain bone by signaling osteoblasts and osteoclasts to form and resorb bone Compact bone - ANS-Hard, dense bone tissue that is beneath the outer membrane of a bone; cortical bone; 85% of the skeleton; solid and strong; haversian system is basic structural unit in compact bone Spongy bone - ANS-Layer of bone tissue having many small spaces and found just inside the layer of compact bone; cancellous bone; 15% of the skeleton; filled with red bone marrow; lack haversian system; trabeculae: plates or bars instead bone remodeling - ANS-ongoing replacement of old bone tissue by new bone tissue bone repair - ANS-1. hematoma formation 2. callus formation... Continues...