Prescribed: epoetin alfa 8,000 units SQ three times a week Available: epoetin alfa 4, 000 units/mL How many mL will the nurse administer? Record the answer to the tenth.

Ordered Dose: 8,000 units Available Concentration: 4,000 units/mL Calculate the volume to administer Volume to administer = Ordered Dose ÷ Concentration Volume to administer = 8,000 ÷ 4,000 = 2.0 mL