A nurse is preparing to administer heparin subcutaneously to a client who has a deep vein thrombosis. Which of the following techniques should the nurse use?

A. Aspiration is not necessary for subcutaneous injections. The nurse should not aspirate after inserting the needle as it can cause tissue damage. The heparin should be injected without aspiration. B. Observing for bleeding after the injection is appropriate, but aspiration is unnecessary and should not be performed when giving heparin subcutaneously. C. Aspiration is not recommended for subcutaneous injections. Massaging the site is also not advisable, as it can increase the risk of bruising or bleeding. D. For subcutaneous injections, it is essential to cleanse the skin, insert the needle, inject the medication, and then observe the site for any bleeding. Aspiration and massage are unnecessary steps for this type of injection.