The Nurse Is Teaching a Patient to Self-Administer Subcutaneous Heparin

The nurse is teaching a patient to self-administer subcutaneous heparin at home.What does the nurse include in patient teaching?

A) Use a 22-gauge, 1-inch needle for the heparin injections.
B) Change needles after withdrawing the heparin from the vial.
C) Instruct the patient and family to recap all needles used at home.
D) Administer the heparin in the abdomen, 2 cm away from umbilicus.