The prescriber orders Dilantin oral suspension 250 mg PO twice a day. The pharmacy sends a bottle of Dilantin oral suspension with a dosage strength of \( 125 \mathrm{mg} / 5 \mathrm{~mL} \). How many milliliters should the nurse administer? Enter only the numeral (not the unit of measurement) in your answer. Enter your answer. Check answer

To determine the amount of Dilantin oral suspension to administer, first, establish the total daily dosage. The prescriber ordered 250 mg twice a day, which totals 500 mg daily. Since the suspension is \( 125 \mathrm{mg} / 5 \mathrm{~mL} \), calculate how many milliliters are needed for one dose of 250 mg. Using the proportion: \[ 125 \text{ mg} = 5 \text{ mL} \implies 250 \text{ mg} = \frac{250 \text{ mg} \times 5 \text{ mL}}{125 \text{ mg}} = 10 \text{ mL} \] So, the nurse should administer **10** mL for each dose.