A Patient Is to Receive 15 Units of NPH Insulin

A patient is to receive 15 units of NPH insulin and 20 units of regular insulin in the same syringe.In what order should you perform the steps to prepare this injection?
a.Make sure the syringe is free from air bubbles.
b.Check the syringe for a volume of insulin that is 35 units.
c.Clean the rubber stoppers of each bottle with separate alcohol swabs.
d.Check to make sure the concentration and types of insulin are correct.
e.Draw up 20 units of air and inject it into the regular insulin (short-acting insulin)bottle with the bottle in its normal,upright position.
f.Draw up 15 units of air and inject it into the NPH bottle with the bottle in its normal,upright position.
g.Place the same needle with the syringe attached into the NPH bottle,invert the bottle,and withdraw 15 units of NPH insulin into the same syringe with the regular insulin.
h.Without removing the needle,turn the bottle upside down and withdraw 20 units of regular insulin,then withdraw the needle from the bottle.