Dosage Calculation
The provider orders acetaminophen 650 mg PO. Available: 325 mg tablets. How many tablets will the nurse administer?
2 tablets.
A patient is prescribed 1,000 mL of normal saline over 10 hours. What rate should the nurse program?
100 ml/hr.
The provider orders 1 g of medication. How many milligrams is this?
1000 mg.
A pediatric patient weighs 20 kg. The medication order is 5 mg/kg/dose. How many mg should be administered?
100 mg.
A patient has 300 mL remaining in an IV bag infusing at 100 mL/hr. How much longer will the infusion run?
3 hours.
The provider orders 0.5 mg of medication. Available: 0.25 mg tablets. How many tablets?
2 tablets.
The nurse must administer 500 mL of LR over 4 hours. Calculate the pump rate.
125 ml/hr.
Convert 0.25 mg into micrograms.
250 mcg.
A patient weighs 44 lb. Convert this weight to kilograms.
20 kg.
A medication is prescribed at 750 mg IV. After reconstitution, the concentration is 250 mg/mL. How many mL should the nurse withdraw?
The provider orders 375 mg of medication. Available: 250 mg per 5 mL. How many mL will the nurse administer?
7.5 ml
The provider orders 250 mL of IV fluid over 90 minutes. Calculate mL/hr, rounding to the nearest whole number.
167 ml/hr.
A patient needs 2.5 L of IV fluids. How many mL is this?
2500 ml.
A child weighs 15 kg. The medication is ordered at 12 mg/kg/day divided into 3 equal doses. How many mg per dose?
60 mg per dose.
A medication is ordered at 25 mg/kg/day for a patient weighing 40 kg. It is divided into 4 equal doses. How many mg per dose?
250 mg per dose.
The provider orders 0.75 g of medication. Available: 250 mg tablets. How many tablets?
3 tablets.
An IV contains 750 mL and is infusing at 125 mL/hr. How many hours until the infusion is completed?
6 hours.
An oral medication order is 0.075 g. How many milligrams is the ordered dose?
75 mg.
A child weighs 18 kg. The safe dose range is 10–15 mg/kg/dose. What is the safe dose range?
180-270 mg/dose.
A patient is receiving an IV medication at 4 mg/min. The solution contains 500 mg in 250 mL. What should the infusion pump be set at?
120 ml/hr.
500/250=2mg/ml; 4/2=2 ml; 2 x 60= 120
The provider orders 0.6 mg of medication IV. Available: 200 mcg/mL. How many mL will the nurse prepare?
3 ml.
Infuse 1,000 mL over 8 hours using tubing with a drop factor of 15 gtt/mL. What is the drip rate? Round to the nearest whole drop.
31 gtt/min
(1000 x 15) / 480 = 31.25 rounded nearest whole
The provider orders 375 mcg of medication. The available concentration is 0.25 mg/mL. How many mL will the nurse administer?
1.5 ml.
A child weighs 22 kg. The medication is ordered at 30 mg/kg/day divided every 8 hours. Available: 110 mg/5 mL. How many mL should be given per dose?
10 ml per dose.
A child weighs 16 kg. The prescribed medication is 250 mg every 8 hours. The recommended safe range is 20–40 mg/kg/day. Is the ordered dose safe?
No- hold and clarify the order.