A patient with diabetes has a foot wound and a blood glucose level of 286 mg/dL. Which factor explains why uncontrolled diabetes can delay wound healing?
Correct answer: D. It impairs circulation and immune function
- A. It increases oxygen delivery to the wound
- B. It improves leukocyte activity against bacteria
- C. It reduces infection risk through glycosuria
- D. It impairs circulation and immune function
Explanation
Uncontrolled diabetes can impair circulation, leukocyte function, and collagen formation, increasing infection risk and delaying repair. Glycosuria does not protect the wound, and high glucose does not improve oxygen delivery or immune activity.
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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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