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Wound Healing

Special Topics

What term refers to removal of necrotic tissue? debridement
What term refers to anything that disrupts the skin's normal integrity? wound
What are the 2 wound types? intentional or unintentional
What are the 4 phases of wound healing? 1-Inflammatory 2-Debridement 3-Repair 4-Maturation
What cell is responsible for initiating wound healing? platelet
What 2 things dictate if sutures are placed? severity and nature
How long do the vessels constrict for after an injury? 5-10 minutes
How long after an injury does the debridement phase occur? 6 hours
What 2 cells start the debridement phase by leaking into the wound under the scab? monocytes and neutrophils
What term refers to a combination of WBCs and the fluid that leaks into a wound? exudate
What phase is a combination of the inflammatory phase and the debridement phase? lag phase
When does the lag phase occur? First 3-5 days
What phase begins only after blood clot has formed and necrotic tissue/foreign material has been removed? repair phase
When does the repair phase begin and end? begins after days 3-5; ends 17-20 days after injury
How long after an injury does granulation appear? 3-5 days
What color is poor granulation tissue? white
What term refers to overgrown granulation tissue found on large animals? proud flesh
How soon after an injury will you begin to see new epithelium? 4-5 days
______________________ is a result of contraction of the myofibroblasts in granulation tissue. Wound contraction
How soon after an injury will you see wound contraction? 5-9 days
True or false. No new skin is formed during wound contraction. True
During what phase is wound strength at its max level? maturation
________________ is formed by crosslinking of collagen fibers. Scar
True or false. Scar tissue is stronger than normal tissue. False
Created by: fadedfaithless