ATI Safe Dosage Calculations: Critical Care Medications Exam Questions with Correct
Answers| Latest Update Graded A+
A nurse is preparing to administer amiodarone 0.5 mg/min by continuous IV infusion. Available
is amiodarone 900 mg in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump
to deliver how many ml/hr? 0.5mg X 60min = 30mg / 900mg = 0.0333333mg X 500mL =
16.666666667mL = 16.7mL
A nurse is preparing to administer dopamine 5 mcg/ kg/min by continuous IV infusion to a
client who weighs 75 kg. The amount available is dopamine 800 mg/500 mL. The nurse should
set the IV pump to deliver how many ml/hr? 5mcg / 1,000mcg = 0.005mg X 60min = 0.3mg /
800mg = 0.000375 X 500mL 0.1875mL X 75kg = 14.062 = 14.1 mL/ hr
A nurse is preparing to administer packed RBC's 280 ml IV to infuse over 4 hr to a client. The
nurse should set the IV pump to deliver how many ml/hr? 280mL / 4hr = 70mL/hr
A nurse is preparing to administer esmolol 50 mcg/kg/min by continuous IV infusion for a client
who weighs 67 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The
nurse should set the IV pump to deliver how many ml/hr? 50mcg / 1,000mcg = 0.05mg X
60min = 3mg X 67kg = 201mg / 2,500mg = 0.0804mg X 250mL = 20.1mL
A nurse is preparing to administer esmolol 45 mcg/kg/min by continuous IV infusion for a client
who weighs 59 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The
nurse should set the IV pump to deliver how many ml/hr 45mcg / 1,000mcg = 0.045mg X
60min = 2.7mg X 59kg = 159.3mg / 2,500mg = 0.06372 X 250mL = 15.93mL = 15.9mL
A nurse is preparing to administer dextrose 5% in water (D5W) 500 ml IV to infuse over 45 min
to a client. The nurse should set the IV pump to deliver how many ml/hr? 45min / 60 min =
0.75
500mL / 0.75hr = 666.6666 = 667mL
, A nurse is preparing to administer epinephrine 8 mcg/min by continuous IV infusion. Available
is epinephrine 1 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to
deliver how many ml/hr? 8mcg / 1,00mcg = 0.008mg
0.008mg X 60 min = 0.48mg
0.48mg / 1mg = 0.48mg
0.48mg X 250mL = 120mL
A nurse is preparing to administer nitroglycerin 50mcg/min by continuous IV infusion. Available
is nitroglycerin 25 mg in 250 ml of dextrose 5% in water (D5W). The nurse should set the IV
pump to deliver how many ml/hr? 50mcg / 1,00mcg = 0.05mg
0.05mg X 60min = 3mg
3mg / 25mg = 0.12mg
0.12mg X 250mL = 30 mL
A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion for a client
who weighs 51 kg. Available is 25,000 units of heparin in 500 ml 0.9% sodium chloride. The
nurse should set the IV pump to deliver how many mL/hr? 15 units X 51kg = 765units
,000 = 0.306
0.306 X 500mL = 15.3mL
A nurse is preparing to administer 0.9% sodium chloride 1,200 ml to infuse over 6 hr to a client.
The nurse should set the IV pump to deliver how many ml/hr? 1,200mL / 6hr = 200mL/hr
A nurse is preparing to administer 0.9% sodium chloride 300 ml IV over 30 min to a client. The
nurse should set the IV pump to deliver how many ml/hr? 30min / 60min = 0.5 hr
300mL / 0.5 = 600mL/hr
Answers| Latest Update Graded A+
A nurse is preparing to administer amiodarone 0.5 mg/min by continuous IV infusion. Available
is amiodarone 900 mg in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump
to deliver how many ml/hr? 0.5mg X 60min = 30mg / 900mg = 0.0333333mg X 500mL =
16.666666667mL = 16.7mL
A nurse is preparing to administer dopamine 5 mcg/ kg/min by continuous IV infusion to a
client who weighs 75 kg. The amount available is dopamine 800 mg/500 mL. The nurse should
set the IV pump to deliver how many ml/hr? 5mcg / 1,000mcg = 0.005mg X 60min = 0.3mg /
800mg = 0.000375 X 500mL 0.1875mL X 75kg = 14.062 = 14.1 mL/ hr
A nurse is preparing to administer packed RBC's 280 ml IV to infuse over 4 hr to a client. The
nurse should set the IV pump to deliver how many ml/hr? 280mL / 4hr = 70mL/hr
A nurse is preparing to administer esmolol 50 mcg/kg/min by continuous IV infusion for a client
who weighs 67 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The
nurse should set the IV pump to deliver how many ml/hr? 50mcg / 1,000mcg = 0.05mg X
60min = 3mg X 67kg = 201mg / 2,500mg = 0.0804mg X 250mL = 20.1mL
A nurse is preparing to administer esmolol 45 mcg/kg/min by continuous IV infusion for a client
who weighs 59 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The
nurse should set the IV pump to deliver how many ml/hr 45mcg / 1,000mcg = 0.045mg X
60min = 2.7mg X 59kg = 159.3mg / 2,500mg = 0.06372 X 250mL = 15.93mL = 15.9mL
A nurse is preparing to administer dextrose 5% in water (D5W) 500 ml IV to infuse over 45 min
to a client. The nurse should set the IV pump to deliver how many ml/hr? 45min / 60 min =
0.75
500mL / 0.75hr = 666.6666 = 667mL
, A nurse is preparing to administer epinephrine 8 mcg/min by continuous IV infusion. Available
is epinephrine 1 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to
deliver how many ml/hr? 8mcg / 1,00mcg = 0.008mg
0.008mg X 60 min = 0.48mg
0.48mg / 1mg = 0.48mg
0.48mg X 250mL = 120mL
A nurse is preparing to administer nitroglycerin 50mcg/min by continuous IV infusion. Available
is nitroglycerin 25 mg in 250 ml of dextrose 5% in water (D5W). The nurse should set the IV
pump to deliver how many ml/hr? 50mcg / 1,00mcg = 0.05mg
0.05mg X 60min = 3mg
3mg / 25mg = 0.12mg
0.12mg X 250mL = 30 mL
A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion for a client
who weighs 51 kg. Available is 25,000 units of heparin in 500 ml 0.9% sodium chloride. The
nurse should set the IV pump to deliver how many mL/hr? 15 units X 51kg = 765units
,000 = 0.306
0.306 X 500mL = 15.3mL
A nurse is preparing to administer 0.9% sodium chloride 1,200 ml to infuse over 6 hr to a client.
The nurse should set the IV pump to deliver how many ml/hr? 1,200mL / 6hr = 200mL/hr
A nurse is preparing to administer 0.9% sodium chloride 300 ml IV over 30 min to a client. The
nurse should set the IV pump to deliver how many ml/hr? 30min / 60min = 0.5 hr
300mL / 0.5 = 600mL/hr
