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A 53-year-old crossing guard complains of twisting his right knee while working that morning. The knee is swollen and tender to palpation. The nurse practitioner diagnoses a grade II sprain. The initial treatment plan includes which of the following?A. Intermittent application of cold packs the first 24 hours followed by applications of low heat at bedtimeB. Elevation of the affected limb and intermittent applications of cold packs for the next 48 hoursC. Rechecking the knee in 24 hours and encouraging isometric exercisesD. Application of an elastic bandage wrap to the affected knee
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