2026| Practice Questions & Verified Answers- Dosage Calculations
Dosage Calculations
Assignment
Assignment
Quiz Dosage
Quiz.pdf
Calculations Assignment Quiz| Questions & Verified Answers
Dosage Calculations Assignment Quiz
A client who had a small bowel resection two weeks ago is receiving 3/4 strength Ensure
feedings 275 ml every 4 hours via nasogastric tube. Full strength Ensure is available in a 240 ml
can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value
only. Round to nearest whole number if needed.)
Using the formula Desired % / on Hand % x Volume Desired = 75/100 x 275 = 0.75 x 275 = 206
Ensure
206 ml Ensure + 69 ml water = 275 ml (75% solution)
A client admitted to the unit from the emergency room receives a prescription for an IV
infusion of 0.9% sodium chloride 1,000 ml at 750 ml/4 hours. The IV administration set delivers
60 gtts/ml. The nurse should regulate the infusion to deliver how many gtts/minute? (Enter
numeric value only. If rounding is required, round to the nearest whole number.)
First convert hours to minutes: 4 hours x 60 = 240 minutesUsing formula Volume/Time x gtt
factor: 750 ml/240 min = 3.125 x 60gtts = 187.5 (rounding to) 188 gtts/minute
The nurse is preparing a tube feeding of Ensure 280 ml (50% solution). Full strength Ensure is
available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding?
(Enter numeric value for only. If rounding is required, round to nearest whole number.)
Using the formula D/H (Desired % / % on Hand) x Total volume desired:
50/100 x 280ml = 0.5 x 280 ml = 140 ml Ensure + 140 ml water = 280 ml (50% solution)
A client scheduled for a stress echocardiogram is to receive an IV infusion of Dextrose 5% in
Water (D5W) with dobutamine (Dobutrex) 0.5 grams/250 ml at a rate of 1,200 mcg/minute.
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, 2026| Practice Questions & Verified Answers- Dosage Calculations
Dosage Calculations
Assignment
Assignment
Quiz Dosage
Quiz.pdf
Calculations Assignment Quiz| Questions & Verified Answers
The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric
value only. If rounding is required, round to the nearest whole number.)
First calculate the number of mcg/hour: 1,200 x 60 minutes = 72,000 mcg/hourNext calculate
the number of ml/hour needed to administer 72,000 mcg/hour500,000 mcg : 250 ml :: 72,000
mcg : X500,,000 :: 250 / X500,000X = 18,000,000X = 36 ml/hour
A client experiencing ventricular tachycardia receives a prescription a continuous infusion of
dextrose 5% in water (D5W) 1000 ml with lidocaine (Xylocaine) 2 grams at a rate of 4 mg per
minute. The nurse should program the infusion pump to deliver how many ml/hour? (Enter
numeric value only. If rounding is required, round to the nearest whole number.)
First convert solution gram/ml to milligrams/ml: 2 gm/1000 ml = 2000 mg/1000 ml = 2
mg/mlNext calculate the number of mg/hour for the dose: 4 mg X 60 minutes = 240
mg/hourNext calculate the number of ml/hour needed to administer 240 mg/hour: 2000 mg:
1000 ml :: 240 mg : X ml2000/240 = 1000/XX = 120 ml/hour
The healthcare provider prescribes an intermittent infusion of nafcillin (Unipen) 800 mg IV for a
pediatric client. The drug is dispensed in a concentration of 250 mg/ml, and the recommended
infusion concentration is 40 mg/ml. When adding the prescribed dose to the volume control
device, how many ml of IV solution should the nurse add to dilute? (Enter numeric value only. If
rounding is required, round to the nearest tenth.)
First, calculate the amount of milliliters of medication needed to provide 800 mg of nafcillin.
Prescribed dose (800 mg) divided by dose on hand (250 mg/ml) equals 3.2 mlNext, determine
the recommended concentration using equivalent fractions. 800 mg/X = 40 mg/1 ml40X = 800 =
20 ml (the total volume at the recommended concentration)20 ml (total volume) minus the 3.2
ml (800 mg dose) equals an additional 16.8 ml of fluid to be added to the volume control device
to obtain the recommended concentration.
The nurse programs an IV infusion pump of Ringer's Lactated 1,000 ml with oxytocin (Pitocin)
40 units to be delivered at 15 ml/hour. How many milliunits/minute is the client receiving?
(Enter numeric value only, whole number.)
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Dosage Calculations
Assignment
Assignment
Quiz Dosage
Quiz.pdf
Calculations Assignment Quiz| Questions & Verified Answers
Dosage Calculations Assignment Quiz
A client who had a small bowel resection two weeks ago is receiving 3/4 strength Ensure
feedings 275 ml every 4 hours via nasogastric tube. Full strength Ensure is available in a 240 ml
can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value
only. Round to nearest whole number if needed.)
Using the formula Desired % / on Hand % x Volume Desired = 75/100 x 275 = 0.75 x 275 = 206
Ensure
206 ml Ensure + 69 ml water = 275 ml (75% solution)
A client admitted to the unit from the emergency room receives a prescription for an IV
infusion of 0.9% sodium chloride 1,000 ml at 750 ml/4 hours. The IV administration set delivers
60 gtts/ml. The nurse should regulate the infusion to deliver how many gtts/minute? (Enter
numeric value only. If rounding is required, round to the nearest whole number.)
First convert hours to minutes: 4 hours x 60 = 240 minutesUsing formula Volume/Time x gtt
factor: 750 ml/240 min = 3.125 x 60gtts = 187.5 (rounding to) 188 gtts/minute
The nurse is preparing a tube feeding of Ensure 280 ml (50% solution). Full strength Ensure is
available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding?
(Enter numeric value for only. If rounding is required, round to nearest whole number.)
Using the formula D/H (Desired % / % on Hand) x Total volume desired:
50/100 x 280ml = 0.5 x 280 ml = 140 ml Ensure + 140 ml water = 280 ml (50% solution)
A client scheduled for a stress echocardiogram is to receive an IV infusion of Dextrose 5% in
Water (D5W) with dobutamine (Dobutrex) 0.5 grams/250 ml at a rate of 1,200 mcg/minute.
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, 2026| Practice Questions & Verified Answers- Dosage Calculations
Dosage Calculations
Assignment
Assignment
Quiz Dosage
Quiz.pdf
Calculations Assignment Quiz| Questions & Verified Answers
The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric
value only. If rounding is required, round to the nearest whole number.)
First calculate the number of mcg/hour: 1,200 x 60 minutes = 72,000 mcg/hourNext calculate
the number of ml/hour needed to administer 72,000 mcg/hour500,000 mcg : 250 ml :: 72,000
mcg : X500,,000 :: 250 / X500,000X = 18,000,000X = 36 ml/hour
A client experiencing ventricular tachycardia receives a prescription a continuous infusion of
dextrose 5% in water (D5W) 1000 ml with lidocaine (Xylocaine) 2 grams at a rate of 4 mg per
minute. The nurse should program the infusion pump to deliver how many ml/hour? (Enter
numeric value only. If rounding is required, round to the nearest whole number.)
First convert solution gram/ml to milligrams/ml: 2 gm/1000 ml = 2000 mg/1000 ml = 2
mg/mlNext calculate the number of mg/hour for the dose: 4 mg X 60 minutes = 240
mg/hourNext calculate the number of ml/hour needed to administer 240 mg/hour: 2000 mg:
1000 ml :: 240 mg : X ml2000/240 = 1000/XX = 120 ml/hour
The healthcare provider prescribes an intermittent infusion of nafcillin (Unipen) 800 mg IV for a
pediatric client. The drug is dispensed in a concentration of 250 mg/ml, and the recommended
infusion concentration is 40 mg/ml. When adding the prescribed dose to the volume control
device, how many ml of IV solution should the nurse add to dilute? (Enter numeric value only. If
rounding is required, round to the nearest tenth.)
First, calculate the amount of milliliters of medication needed to provide 800 mg of nafcillin.
Prescribed dose (800 mg) divided by dose on hand (250 mg/ml) equals 3.2 mlNext, determine
the recommended concentration using equivalent fractions. 800 mg/X = 40 mg/1 ml40X = 800 =
20 ml (the total volume at the recommended concentration)20 ml (total volume) minus the 3.2
ml (800 mg dose) equals an additional 16.8 ml of fluid to be added to the volume control device
to obtain the recommended concentration.
The nurse programs an IV infusion pump of Ringer's Lactated 1,000 ml with oxytocin (Pitocin)
40 units to be delivered at 15 ml/hour. How many milliunits/minute is the client receiving?
(Enter numeric value only, whole number.)
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