A patient asks the nurse why the infected area on his arm is so red. How should the nurse respond?
1. "Body fluids are leaking into the area.".
2. "White blood cells are trying to kill the bacteria.".
3. "The body has increased the blood supply to the area.".
4. "The body is walling off the infected area to prevent it from spreading.".
3
Rationale 1: Body fluids leaking into the area would lead to edema.
Rationale 2: White blood cells trying to kill the bacteria would lead to pus formation.
Rationale 3: During the vascular phase of the inflammatory process, vasodilation occurs to increase the blood supply to the area, causing redness and increased warmth of the area.
Rationale 4: Walling off of the infected area is seen in the cellular phase of the inflammatory process. It does not result in redness.
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