ATE 1211 Bones and Joints Physiology Questions and Answers 100% Pass

ATE 1211 Bones and Joints Physiology Questions and Answers 100% Pass **1. Identify the components of a bone.** Options: - Organic: 33% collagen and glycosaminoglycan - Inorganic: 67% Calcium and Phosphorus - Organic: 50% collagen and elastin - Inorganic: 50% Sodium and Potassium Organic: 33% collagen and glycosaminoglycan, Inorganic: 67% Calcium and Phosphorus **2. Name the minerals responsible for the rigidity and hardness of bones.** Options: - Calcium and Iron - Calcium and Magnesium - Calcium and Phosphorus - Phosphorus and Iron Calcium and Phosphorus **3. What is the primary function of osteoblast cells in bone physiology?** Options: - Break down bone matrix - Secrete matrix components for bone formation - Control calcium levels in blood - Store minerals and lipids Bone forming cells, help to heal broken bones and growth **4. Where are osteocytes typically found within bones?** Options: - Canaliculi - Periosteum - Lacunae - Haversian canals Lacunae **5. What is the primary role of osteoclast cells in bone remodeling?** Options: - Promote bone mineralization - Produce new bone matrix - Maintain bone strength - Resorb bone tissue Bone eating cells, help remodel the bone when broken or growing; also help with calcium deficiency by transferring calcium from the bone to the blood **6. Identify the fundamental structural unit of compact bone.** Options: - Osteon or Haversian system - Lamellae - Trabeculae - Canaliculi Osteon or Haversian system **7. Differentiate between compact bone and cancellous bone.** Options: - Cancellous bone has a higher mineral content - Compact bone lacks a Haversian system - Compact bone is denser and forms the outer layer of bones - Cancellous bone lacks a blood supply Cancellous bone lacks Haversian system **8. List the primary functions of bones.** Options: - Support, protection, movement, storage, blood cell formation - Support, conduction, respiration, digestion, excretion - Protection, reproduction, digestion, respiration, sensation - Storage, regulation, sensation, movement, immunity Support, protection, movement, storage, blood cell formation **9. What are the differences between endochondral ossification and intramembranous ossification?** Options: