AORN Final Exam Study Guide latest updated

AORN Final Exam Study Guide latest updated Defense Mechanisms Steps - Ans ️️ -1) Stop the blood loss 2) Clean up pathogens and debris in the wound 3) Seal the wound against infection 4) Regenerate the natural epidermal covering 5) Repair deeper tissue damage Primary union wound healing (first intention) - Ans ️️ -Minimal tissue loss, wound margins approximated Granulation (second intention) - Ans ️️ -Significant tissue loss, wound remains open Delayed primary closure (third intention) - Ans ️️ -Wound kept open to monitor infection; gauze packing; closed on day 3 or 5. Why is collagen production so important in wound healing? - Ans ️️ -- Contributes to the tensile strength of the wound. -Main component of extracellular matrix. Guidelines for handling natural absorbable sutures - Ans ️️ --Both types are packaged in fluids, which may be irritating to the eye tissue. (Types: Surgical gut and Collagen) -As a precaution, open packages over a small basin to prevent splashing. What are synthetic absorbable sutures made out of? - Ans ️️ -Polymers Surgical Stainless Steel - Ans ️️ --Made from 316L-SS low carbon iron alloy wire -used for abdominal wall closure or sternum, respiratory tract, Ortho, or Neuro cases. -This may also be used in the presence of infection but NOT in the presence of another alloy such as titanium. Polypropylene - Ans ️️ --Recommended size for plastics is 5-0 -Material choice for plastic surgery. Taper Point Needles - Ans ️️ --A needle in this second category has a smooth point with no cutting edges. It pushes the tissue aside when passing through. -Used for aponeurosis, biliary tract, dura, fascia, GI tract, muscle, myocardium, etc. (example: vascular anastomosis) Blunt point needles - Ans ️️ --Rounded blunt tip that will NOT cut tissue. -Used for dissection of friable tissue such as live