Parenteral preparation: Insulin preparation:

Insulin is the hormone used to treat diabetes It is administered by injection because the GI tract breaks down and destroys an oral form of insulin. Use the correct syringe: 100-unit insulin syringe or an insulin pen to prepare U-100 insulin Insulin is classified by rate of action: rapid, short, intermediate, and long-acting Know the onset, peak, and duration for each of your patient's ordered insulin doses