The healthcare provider prescribes abacavir 300 mg PO every 12 hours for a client who is HIV positive. The drug is available in 300 mg tablets. How many tablets should the nurse administer per day? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Here's the breakdown of the calculation: The prescribed dosage is 300 mg every 12 hours. Since there are 24 hours in a day, the client will need to take the medication 24 hours / 12 hours = 2 times per day. Each tablet is 300 mg, which is exactly the prescribed amount per dose. Therefore, the nurse should administer 2 tablets per day (1 tablet in the morning and 1 tablet in the evening).