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
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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.