The nurse is preparing to administer regular insulin by continuous IV infusion to a client with diabetic ketoacidosis. The nurse should:

Mix the insulin with Dextrose 5% in water. Flush the IV tubing with the insulin solution and discard the first 50mL.Avoid using a pump or controller with the infusion.Mix the insulin with Ringer lactate.

Explanation.

Insulin molecules adhere to glass and plastic; therefore the IV set and entire tubing should be flushed and 50mL discarded before administering the infusion to the client. Answers A and D are incorrect because insulin is mixed using 0.9% or 0.45% normal saline. Answer C is incorrect because the infusion is given using a pump or controller.