1) What are the primary stages of wound healing in order of their occurrence? A. B. C. D. Inflammatory, Remodeling, Proliferative Inflammatory, Hemostatic, Proliferative, Chemotactic Proliferative, Chemotactic, Remodeling Inflammatory, Proliferative, Remodeling 2) Which statement best describes the Inflammatory stage? A. It begins at the moment of injury and lasts for 2-4 days B. It starts at the moment of injury and can last for up to 2 years C. It starts within a week of injury and lasts 2 weeks D. It begins when cytokines are released and ends when macrophages populate the wound 3) What are the 2 key processes that occur during the inflammatory stage? A. B. C. D. Collagen remodeling and wound contraction Hemostasis and Chemotaxis Fibroblast proliferation and wound epithelialization All of the above 4) Which cells/cellular components are the most important during the Inflammatory stage? A. B. C. D. Fibroblasts, Myofibroblasts, and eosinophils Epithelial cells, melanocytes, and platelets Macrophages, neutrophils, and platelets None of the above 5) Which cell is primarily responsible for stimulating fibroblast proliferation? A. B. C. D. Macrophages Neutrophils Erythrocytes Epithelial cells 6) Which stage of wound healing begins 4-5 days post-injury and lasts 2-3 weeks? A. B. C. D. No stage of wound healing follows this timeline Inflammatory stage Proliferative stage Remodeling stage 7) What is the dominant cell type of the Proliferative stage? A. B. C. D. Neutrophils Macrophages Fibroblasts Myofibroblasts 8) What is the predominant type collagen produced in the 2nd stage of wound healing? A. B. C. D. Type I Type II Type III Type IV 9) At which week has the wound likely recovered 50% of pre-wound strength? A. B. C. D. Week 4 post-injury Week 6 post-injury The wound never recovers 50% of its pre-wound strength Week 8 post-injury 10) After sustaining a wound, what is the maximum proportion of pre-wound strength that healing can recover? A. B. C. D. 100% 120% 50% 80% 11) What are the 3 main processes that occur during the Proliferative phase? A. B. C. D. Collagen synthesis, Angiogenesis, and Epithialization phagocytosis, apoptosis, and pinocytosis imbibition and inosculation Angiogenesis, hemostasis, chemotaxis, and collagen synthesis 12) What processes are directly involved in wound maturation? A. B. C. D. Contracture, imbibition, and chemotaxis Wound contraction, scarring, and scar remodeling contraction and contracture phagocytosis, contraction of wound, and chemotaxis 13) What happens in the 3rd stage of wound healing to increase the strength of the wound? 1. 2. 3. 4. Type I collagen is replaced by type III collagen Type III collagen is replaced by type I collagen Collagen is cross-linked Collagen is remodeled and organized A. B. C. D. E. 1, 3, and 4 2, 3, and 4 3 and 4 only 1 and 4 only 2 and 3 only 14) Why does a wound lose its purple-pinkish colour throughout the 3rd stage of wound healing? A. B. C. D. Collagen composition of the wound changes Macrophages and neutrophils remove necrotic debris from the wound Density of capillaries and fibroblasts declines All of the above 15) A. B. C. D. carry out the task of wound contraction at a rate of /day Myofibroblasts, < 0.75 mm Myofibroblasts, > 0.75 mm Macrophages, < 0.75 mm Macrophages, < 0.75 cm 16) What is the difference between scar contraction, and scar contracture? A. There is no difference, they refer to the same aspect of wound healing B. Contraction is pathological, whereas contracture is physiological C. Contraction is physiological, whereas contracture is pathological D. Wound contraction refers to abnormal scar shortening, whereas wound contracture refers to abnormal scar thickening 17) When should tetanus prophylaxis be administered? A. B. C. D. Whenever a questionable vaccination history is encountered When a patient has not had a booster in the last 10 years If a patient has never been vaccinated for tetanus All of the above 18) What are the pillars of wound preparation? A. Hemostasis, and debridement B. Irrigation and debridement C. Irrigation, Hemostasis, and Debridement D. Irrigation, Hemostasis, Debridement, and Primary intention closure 19) Which of the following statements are false? A. Soaps and alcohols can damage wounded tissue further and should be avoided B. Irrigation is important because it reduces bacterial load, and removes foreign bodies from the wound C. Debridement is optional depending on the status of the patient D. Hemostasis can be achieved in a variety of ways, including applying pressure, wound elevation, electrocautery, and ligation 20) What bacterial load precludes prompt closure by primary intention? A. 10,000 microorganisms/g tissue B. 100,000 microorganisms/g tissue C. 1,000 microorganisms/g tissue D. Primary intention closure can be implemented regardless of a wound’s bacterial load