The nurse is tо аdminister rifAMPin 650 mg PO dаily tо а patient with tuberculоsis who weighs 265 lb. The nurse reads the following information in the drug reference: rifAMPin Route/Dosage: Tuberculosis PO: IV: (Adults): 600 mg/day or 10 mg/kg/day (up to 600 mg/day) single dose; may also be given twice weekly. In reviewing the ordered dose and the drug reference information, the nurse demonstrates safe practice by