A patient who smokes has a slow-healing leg wound. Which explanation should the nurse give?
Correct answer: C. Smoking causes vasoconstriction and reduces tissue oxygenation
- A. Nicotine improves blood flow to damaged tissue
- B. Smoking increases oxygen delivery to the wound
- C. Smoking causes vasoconstriction and reduces tissue oxygenation
- D. Tobacco smoke prevents all bacterial growth in the wound
Explanation
Nicotine causes vasoconstriction, and carbon monoxide reduces oxygen availability, both of which impair tissue repair. Adequate circulation and oxygenation are needed for collagen formation and resistance to infection.
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About Wound Care and Dressings
Wound care covers wound classification, healing stages, assessment of tissue and drainage, pain, infection signs, dressing selection and clean or sterile dressing technique. It also includes pressure injuries by stage and the factors affecting healing, such as nutrition, circulation, diabetes, infection and prolonged pressure.
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