The nurse, caring for a patient weighing 80 kg, is preparing an initial dose of insulin as beginning treatment for diabetic ketoacidosis. What are the appropriate dose and route for the nurse administer the insulin?
1. 8 units IV
2. 8 units subcutaneous
3. 12 units subcutaneous
4. 12 units IV
4
Rationale 1: The formula for calculating a bolus dose of insulin is 0.15 units/kg.
Rationale 2: Bolus dosing is given intravenously, rather than subcutaneously, to begin to reverse DKA.
Rationale 3: Bolus dosing is given intravenously, rather than subcutaneously, to begin to reverse DKA.
Rationale 4: Bolus dosing is given intravenously to begin to reverse DKA. The formula for calculating an initial bolus dosage is 0.15 unit/kg; therefore, 80 × 0.15 = 12 units for bolus.
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