HOSA Pathophysiology Muscoskeletal Exam Correctly Answered Latest Update

HOSA Pathophysiology Muscoskeletal Exam Correctly Answered Latest Update Pathological Bone Fractures - Answer -bone breaks because of underlying disease that has weakened the bone Stress Bone Fractures - Answer -bone placed under extreme or unusual forces, MVA, falls, sports injuries are examples Open Fracture - Answer -broken bone end protrudes through skin closed fracture - Answer -no penetration of skin comminuted fracture - Answer -multiple bone fragments linear fracture - Answer -along long axis of bone oblique fracture - Answer -at an angle to long axis of bone impacted fracture - Answer -fragments pushed into each other spiral fracture - Answer -break forms twisted line, torque on bone, spiral fracture of tibia is a common ski injury transverse fracture - Answer -across the long axis greenstick fracture - Answer -partial break transchondral fracture - Answer -through cartilage or growth plate bone reduction - Answer -realign bone fragments to their normal anatomic position callus formation - Answer -healing of fractures, takes from weeks up to 6 months, phagocytes remove cellular debris, osteoblasts synthesize collagen and matrix which mineralizes into a callus remodeling - Answer -healing of fractures, takes several months, callus is replaced with trabeculae (spongy bone), spongy bone is replaced with compact bone subluxation - Answer -partial loss of contact between articular surfaces dislocation - Answer -complete loss of contact between articular surfaces sprain - Answer -a partial tear of a ligament (at a joint), common i