DOSAGE CALC EXAM PRACTICE QUESTIONS

A provider orders amoxicillin 75 mg/kg/day, PO, in divided doses every 12 hours.The child weighs 15 kg. The pharmacy provides amoxicillin in an oral suspension containing 50 mg/mL. Calculate the volume (mL) of amoxicillin to be administered per dose.

11.3 mL

calculate the mL/hr infusion rate. round to nearest tenth. A provider orders dopamine 4.8 mcg/kg/min IV. The IV bag contains 200 mg dopamine in 100 mL. The patient weighs 81 kg

11.7 mL/hr

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse 1 L of D5W over 9 hours

111.1 mL/hr

Calculate the units/hr flow rates for these heparin infusions. Round to the nearest whole unit. An intravenous pump is infusing 14 mL/hr. The intravenous bag hanging has 40,000 units of heparin in 500 mL 5% dextrose

1120 units/hr

Calculate the completion times for these IVs An IV is infusing at 150 mL/hr with 450 mL of fluid left in the IV bag. The current time is 1015 (10:15 am)

1315

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse cefazolin 500 mg diluted in 100 mL 0.9% sodium chloride solution over 45 minutes

133.3 mL/hr

A provider orders digoxin 3 mcg/kg/day, PO, in divided doses every 8 hours. The child weighs 14.3 kg. The pharmacy supplies digoxin in an oral suspension containing 0.1 mg per mL. Calculate the dosage (mcg) of digoxin to be administered per dose.

14.3 mcg

Calculate the mL/hr flow rate for these weight-based heparin infusions. Round to the nearest tenth mL. A provider orders a continuous heparin infusion to begin at 16 units/kg/hr. The patient weighs 77 kg. The pharmacy supplies heparin in a premixed bag of 40,000 units in 500 mL 5% dextrose solution

15.4 mL/hr

calculate the mL/hr infusion rate. round to nearest tenth. A provider orders esmolol 0.2 mg/kg/min IV. The IV bag contains 4 g esmolol in250 mL D5W. The patient weighs 60 kg.

45 mL/hr

calculate the mL/hr infusion rate. round to nearest tenth. A provider orders nitroprusside 150 mcg/min IV. The IV bag contains 50 mg in250 mL D5W.

45 mL/hr

The nurse is to administer a bolus feeding of 200 mL to be given over 40 minutes using an enteral feeding syringe. At what mL/min rate would the nurse administer the feeding?

5 mL/hr

Safe dose range is 2-3 mg/kg/24 hours. Patient weight is 55 pounds. What is the safe dose range for the patient?

50-75 mg

A newborn measures 21 inches at delivery. How many cm does the newborn measure?

53.34 cm

A provider orders amoxicillin 75 mg/kg/day, PO, in divided doses every 12 hours.The child weighs 15 kg. The pharmacy provides amoxicillin in an oral suspension containing 50 mg/mL Calculate the dosage (mg) of amoxicillin to be administered per dose

562.5 mg

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse ondansetron 4 mg diluted in 8 mL 0.9% sodium chloride solution over 8 minutes using a syringe pump.

60 mL/hr

The provider orders a feeding of 480 mL of formula to be given over 8 hours via enteral feeding pump. Calculate the mL/hr flow rate.

60 mL/hr

calculate the mL/hr infusion rate. round to nearest tenth. A provider orders isoproterenol 5 mcg/min IV. The IV bag contains 1 mg isoproterenol in 200 mL D5W

60 mL/hr

Calculate the gtt/min flow rate for these IV fluids under manual control. Round to the nearest whole number. An IV of 250 mL D5W solution is to be infused over 1 hour. The IV tubing has a drop factor of 15 gtt/mL

63 gtt/min

A provider orders digoxin 3 mcg/kg/day, PO, in divided doses every 8 hours. The child weighs 14.3 kg. The pharmacy supplies digoxin in an oral suspension containing 0.1 mg per mL. Calculate the volume (mL) of digoxin to be administered per dose. Round to the nearest hundredth mL.

0.14 mL

calculate the mg/min dosage from the mL/hr flow rate of the IV. An IV of ibutilide is infusing at 130 mL/hr. The IV bag contains 15 mg of ibutilidein 150 mL D5W.

0.2 mg/min

Versed 2 mg IV on call to the OR. Versed 5 mg/1 mL is available. How many mL will be administered?

0.4 mL

Calculate the volume (mL) of UH to be administered as boluses. Round to the nearest tenth mL A provider orders a heparin bolus of 75 units/kg, intravenously prior to initiating a continuous infusion. The patient weighs 68 kg. The pharmacy provides heparin in a concentration of 10,000 units/mL.

0.5 mL

Calculate the volumes (mL) of these subcutaneous doses of unfractionated heparin (UH) and low-molecular weight heparin (LMWH). Round to the nearest hundredth mL A provider orders enoxaparin 80 mg, subcutaneously, daily. The pharmacy provides a prefilled syringe with 120 mg in 0.8 mL

0.53 mL

A provider orders epoetin 40 units/kg, SUBQ, three times each week on Monday,Wednesday, and Friday. The patient weighs 55 kg. The pharmacy provides epoetin in vials containing 4,000 units/mL. Round to nearest tenth mL.

0.6 mL

Calculate the volumes (mL) of these subcutaneous doses of unfractionated heparin (UH) and low-molecular weight heparin (LMWH). Round to the nearest hundredth mL. A provider orders UH 7,500 units, subcutaneously, every 12 hours. The pharmacy provides UH with a concentration of 10,000 units/mL.

0.75 mL

Calculate the completion times for these IVs An IV infusing at 75 mL/hr with 700 mL of fluid left in the IV bag. The current time is1830 (6:30 pm).

0350

A provider orders glycopyrrolate 4 mcg/kg, IV, one dose 30 minutes prior to surgery. The patient weighs 72 kg. The pharmacy provides glycopyrrolate in a vial that contains 0.2mg/mL. Round to nearest tenth mL

1.4 mL

A provider orders oprelvekin 60 mcg/kg, SUBQ, once daily. The patient weighs 69 kg.The pharmacy provides oprelvekin in a vial that contains 3 mg/mL. Round to nearest tenth mL

1.4 mL

A provider orders pentamidine 3 mg/kg, IV, once daily. The patient weighs 84 kg. The pharmacy provides pentamidine in a vial that contains 150 mg/mL after dilution.Calculate the volume of medication (mL) to be administered. round to nearest tenth mL

1.7 mL

Diltiazem 125 mg/125 mL NS to infuse IV at 10 mg/hour. How many mL/hour is the patient receiving?

10 mL/Hour

A provider orders digoxin, 250 mcg, PO, once daily. The pharmacy providesdigoxin in tablets containing 0.125 mg. How many tablets will be administered per dose. Do not Round

2 tablets

Order: Heparin 25000 units in D5W 500 mL. Infuse at 1000 units per hour. What is the flow rate in mL/hour?

20 mL/Hr

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse 500 mL of 0.9% sodium chloride solution over 2.5 hours.

200 mL/hr

Order: Heparin 10000 units/500mL D5W is infusion at 100 mL/hour. How many units/hour is the patient receiving?

2000 units/hour

calculate the mL/hr infusion rate. round to nearest tenth. A provider orders norepinephrine IV at 7 mcg/min. The IV bag contains 5 mg norepinephrine in 250 mL D5W

21 mL/hr

Order: D5LR 1000 mL is infusing at 125 mL/hour. The infusion started at 1300. What time will the infusion finish?

2100

calculate the mcg/min dosage that is currently infusing. indicate whether the dosage is within the prescribed range. A conivaptan IV drip is infusing at 18 mL/hr. The IV bag contains 40 mg conivaptan in 500 mL D5W. The prescribed dosage range is 13.8 to 26.7mcg/min

24 mcg/min Yes range = 13.8 to 26.7 mcg/min

Order: D5W 500 mL to infuse over 5 hours. Calculate the flow rate in gtts./min if the drop factor is 15 gtts./mL.

25 gtts/min

A provider orders potassium chloride oral solution, 40 mEq, PO, once daily. Thepharmacy provides potassium chloride oral solution in a concentration of 20 mEqper 15 mL. Calculate the volume of medication (mL) to be administered per dose.Round to the nearest tenth mL

30 mL

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse penicillin G 3 million units diluted in 100 mL 0.9% sodium chloride solution over 20 minutes.

300 mL/hr

calculate the mg/min dosage from the mL/hr flow rate of the IV. An IV of immune globulin is infusing at 60 mL/hr. The IV bag contains 8 g of immune globulin in 250 mL solution.

32 mg/min

Calculate the mL/hr flow rate for these weight-based heparin infusions. Round to the nearest tenth mL. A provider orders a continuous heparin infusion to begin at 18 units/kg/hr. The patient weighs 90 kg. The pharmacy supplies heparin in a premixed bag of 25,000 units in 500 mL 5% dextrose solution

32.4 mL/hr

Calculate the volume (mL) of UH to be administered as boluses. Round to the nearest tenth mL. A provider orders a heparin bolus of 4,000 units, intravenously. The pharmacy provides heparin in a concentration of 1000 units/mL

4 mL

The client's blood glucose is 224. Refer to the sliding scale protocol to determine how much insulin the patient should receive. Order: Regular Insulin Sliding Scale Protocol (BG = blood glucose) BG 150-199 = 2 units Regular Insulin SQ BG 200-249 = 4 units Regular Insulin SQ BG 250-299 = 6 units Regular Insulin SQ BG > 299 = Call the provider

4 units regular insulin SQ

Ampicillin 1 gram every 6 hours. Available is a 2 gram vial of ampicillin powder for reconstitution. Reconstitution instructions: Add 8.6 mL to 2 gram vial. What is the final concentration of the solution in grams/mL?

4.3 g/mL

Dexamethasone 4 mg PO is ordered. Dexamethasone 0.5 mg/5mL is available. How many mL will be administered?

40 mL

Round answers to the nearest tenth mL unless otherwise directed in the question. Calculate the mL/hr flow rate for these fluids: Infuse aminophylline 250 mg diluted in 10 mL 0.9% sodium chloride solution over 15minutes using a syringe pump

40 mL/hr

Calculate the gtt/min flow rate for these IV fluids under manual control. Round to the nearest whole number. An IV of 1000 mL 0.9% sodium chloride solution is to be infused over 8 hours. The IV tubing has a drop factor of 20 gtt/mL

42 gtt/min

Order: Regular Insulin 100 units in 100 mL NS to infuse at 0.1 unit/kg/hour. The patient weighs 70 kg. How many units per hour is the patient receiving?

7 u/hr

Calculate the mL/hr flow rate for these weight-based heparin infusions. Round to the nearest tenth mL. A provider orders a continuous heparin infusion to begin at 12 units/kg/hr. The patient weighs 60 kg. The pharmacy supplies heparin in a premixed bag of 25,000 units in 250 mL 5% dextrose solution

7.2 mL/hr

A client drank 3 cups of fluid at lunch. Convert this oral intake to mL.

720 mL

The provider orders a feeding of 240 mL of formula to be given over 20 minutes via enteral feeding pump. Calculate the mL/hr flow rate

720 mL/hr

Calculate the units/hr flow rates for these heparin infusions. Round to the nearest whole unit. An intravenous pump is infusing heparin at a rate of 17 mL/hr. The intravenous bag hanging has 25,000 units in 500 mL 5% dextrose solution.

750 units/hr

Calculate the units/hr flow rates for these heparin infusions. Round to the nearest whole unit. An intravenous pump is infusing heparin at a rate of 7.5 mL/hr. The intravenous bag hanging has 25,000 units in 250 mL 5% dextrose solution

750 units/hr

A patient's weight on admission was 175 pounds. How many kg does the patient weigh?

79.5 kg

The nurse is to administer a bolus feeding of 240 mL to be given over 30 minutes using an enteral feeding syringe. At what mL/min rate would the nurse administer the feeding?

8 mL/hr

Calculate the mcg/min dosage that is currently infusing for these IV drips. Indicate whether the dosage is within the prescribed range. An isoproterenol IV drip is infusing at 63 mL/hr. The IV bag contains 2 mg isoproterenol in 250 mL D5W. The prescribed dosage range is 0.5 to 5 mcg/min.

8.4 mcg/min No range = 0.5 to 5 mcg/min

A provider orders amikacin 5 mg/kg, IV, every 12 hours. The patient weighs 87 kg. The pharmacy provides amikacin in a vial that contains 50 mg/mL. round to nearest tenth mL

8.7 mL

calculate the mg/min dosage from the mL/hr flow rate of the IV. An IV of magnesium sulfate is infusing at 55 mL/hr. The IV bag contains 10 g magnesium sulfate in 1 L D5W

9.2 mg/min

Order: Drug A 83 mg IM for the patient. The safe dose range is 2-3 mg/kg/24 hours and the patient weighs 55 pounds. Is the ordered dosage safe for the patient?

No