Place the following steps for mixing NPH and regular insulin in the proper sequential order from # 1 to # 6 below. #1 - Prep the top of the shorter acting insulin with an alcohol swab #2 - Inject air that is equal to the ordered dosage of the shorter acting insulin using the same insulin syringe. #3 - Withdraw the ordered dosage of the shorter acting insulin using the same insulin syringe. #4 - Prep the top of the longer acting insulin vial with an alcohol swab. #5 - Inject air that is equal to the ordered dosage of the longer acting insulin using the insulin syringe. #6 Withdraw the ordered dosage of the longer acting insulin using the same insulin syringe.
Correct Answer: D
Rationale: Correct order (D: 1,2,3,4,5,6) ensures sterility and accuracy.