ATI Dosage Calculation and Safe Medication Administration 3.0 - Critical Care Medications
Exam Questions with Correct Answers| Latest Update Graded A+
A nurse is preparing to administer magnesium sulfate 1.75 g/hour by continuous IV infusion.
Available is 4 g magnesium sulfate in 100 mL D5W. The nurse should set the IV pump to deliver
how many mL/hour? (Round to the nearest tenth.) 43.8 mL/hour
Rationale:
1. (1.75 g/hour) x (100 mL/4 g) = x
2. x = 43.75 mL/hour
3. x = 43.8 mL/hour (rounded)
A nurse is preparing to administer epinephrine 8 mcg/min by continuous IV infusion. Available
is epinephrine 1 mg in 250 mL D5W. The nurse should set the IV pump to deliver how many
mL/hour? 120 mL/hour
Rationale:
1. (0.008 mg/min) x (250 mL/1 mg) x (60 min/1 hour) = x
2. x = 120 mL/hour
A nurse is preparing to administer lidocaine 2 mg/min by continuous IV infusion. Available is
lidocaine 2 g in 500 mL D5W. The nurse should set the IV pump to deliver how many mL/hour?
30 mL/hour
Rationale:
1. (2 mg/min) x (500 mL/2,000 mg) x (60 min/1 hour) = x
2. x = 30 mL/hour
, A nurse is preparing to administer 0.9% sodium chloride 1,200 mL IV to infuse over 6 hours to a
client. The nurse should set the IV pump to deliver how many mL/hour? 200 mL/hour
Rationale:
1. 1,200 mL/6 hours = x
2. x = 200 mL/hour
A nurse is preparing to administer nitroglycerin 15 mcg/min by continuous IV infusion. Available
is nitroglycerin 25 mg in 250 mL D5W. The nurse should set the IV pump to deliver how many
mL/hour? 9 mL/hour
Rationale:
1. (0.015 mg/min) x (250 mL/25 mg) x (60 min/1 hour) = x
2. x = 9 mL/hour
A nurse is preparing to administer regular insulin 0.1 unit/kg/hour by continuous IV infusion to
a client who weighs 60 kg. The amount available is regular insulin 50 units in 50 mL sodium
chloride. The nurse should set the IV pump to deliver how many mL/hour? 6 mL/hour
Rationale:
1. (0.1 unit/kg/hour) x (60 kg) = 6 units/hour
2. (6 units/hour) x (50 mL/50 units) = x
3. x = 6 mL/hour
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 D5W. The nurse should set the IV
pump to deliver how many mL/hour? (Round to the nearest tenth.) 20.1 mL/hour
Exam Questions with Correct Answers| Latest Update Graded A+
A nurse is preparing to administer magnesium sulfate 1.75 g/hour by continuous IV infusion.
Available is 4 g magnesium sulfate in 100 mL D5W. The nurse should set the IV pump to deliver
how many mL/hour? (Round to the nearest tenth.) 43.8 mL/hour
Rationale:
1. (1.75 g/hour) x (100 mL/4 g) = x
2. x = 43.75 mL/hour
3. x = 43.8 mL/hour (rounded)
A nurse is preparing to administer epinephrine 8 mcg/min by continuous IV infusion. Available
is epinephrine 1 mg in 250 mL D5W. The nurse should set the IV pump to deliver how many
mL/hour? 120 mL/hour
Rationale:
1. (0.008 mg/min) x (250 mL/1 mg) x (60 min/1 hour) = x
2. x = 120 mL/hour
A nurse is preparing to administer lidocaine 2 mg/min by continuous IV infusion. Available is
lidocaine 2 g in 500 mL D5W. The nurse should set the IV pump to deliver how many mL/hour?
30 mL/hour
Rationale:
1. (2 mg/min) x (500 mL/2,000 mg) x (60 min/1 hour) = x
2. x = 30 mL/hour
, A nurse is preparing to administer 0.9% sodium chloride 1,200 mL IV to infuse over 6 hours to a
client. The nurse should set the IV pump to deliver how many mL/hour? 200 mL/hour
Rationale:
1. 1,200 mL/6 hours = x
2. x = 200 mL/hour
A nurse is preparing to administer nitroglycerin 15 mcg/min by continuous IV infusion. Available
is nitroglycerin 25 mg in 250 mL D5W. The nurse should set the IV pump to deliver how many
mL/hour? 9 mL/hour
Rationale:
1. (0.015 mg/min) x (250 mL/25 mg) x (60 min/1 hour) = x
2. x = 9 mL/hour
A nurse is preparing to administer regular insulin 0.1 unit/kg/hour by continuous IV infusion to
a client who weighs 60 kg. The amount available is regular insulin 50 units in 50 mL sodium
chloride. The nurse should set the IV pump to deliver how many mL/hour? 6 mL/hour
Rationale:
1. (0.1 unit/kg/hour) x (60 kg) = 6 units/hour
2. (6 units/hour) x (50 mL/50 units) = x
3. x = 6 mL/hour
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 D5W. The nurse should set the IV
pump to deliver how many mL/hour? (Round to the nearest tenth.) 20.1 mL/hour
