A nurse is preparing to administer Atenolol 25 mg PO every 12 hours. The amount available is Atenolol 50 mg/tab. How many tablet(s) should the nurse administer per dose? — . . .

Step 1 is: Determine the volume required by dividing the ordered dose by the dose available on the label. Step 2 is: 25 mg ÷ (50 mg/tab). Step 3 is: 0.5 tab. The nurse should administer 0.5 tablet(s) per dose.