A patient will receive insulin as treatment for diabetic ketoacidosis. The patient weighs 225 pounds and has a pretreatment serum glucose of 288 mg/dL. Which prescription would the nurse be comfortable administering?
1. Administer regular insulin 102 units/hr by intravenous infusion.
2. Administer NPH insulin 20 units twice daily.
3. Administer regular insulin intravenously at 10 units/hr.
4. Administer regular insulin 100 units in 1000 mL NS at 28.8 mL/hr.
Answer: 3
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