ATI Dosage Calculation and Safe Medication
Administration 3.0 - Critical Care Medications
Questions With Complete Solutions
A nurse is preparing to administer dobutamine 2.5
mcg/kg/min by continuous IV infusion to a client who weighs
65 kg. The amount available is dobutamine 250 mg/250 mL.
The nurse should set the IV pump to deliver how many
mL/hour? (Round to the nearest tenth.) - Correct Answers
✅9.8 mL/hour
Rationale:
1. (0.0025 mg/kg/min) x (65 kg) = 0.1625 mg/min
2. (0.1625 mg/min) x (250 mL/250 mg) x (60 min/1 hour) =
9.75 ml/hour
3. 9.75 mL/hour = 9.8 mL/hour (rounded)
A nurse is preparing to administer nitroprusside 4 mcg/kg/min
by continuous IV infusion to a client who weighs 57 kg.
Available is nitroprusside 50 mg in 250 mL D5W. The nurse
should set the IV pump to deliver how many mL/hour? (Round
to the nearest tenth.) - Correct Answers ✅68.4 mL/hour
Rationale:
1. (0.004 mg/kg/min) x (57 kg) = 0.228 mg/min
2. (0.228 mg/min) x (250 mL/50 mg) x (60 min/1 hour) = 68.4
mL/hour
, ATI Dosage Calculation and Safe Medication
Administration 3.0 - Critical Care Medications
Questions With Complete Solutions
A nurse is preparing to administer 0.9% sodium chloride 300
mL IV over 30 minutes to a client. The nurse should set the IV
pump to deliver how many mL/hour? - Correct Answers
✅600 mL/hour
Rationale:
1. 300 mL/30 minutes x 60 minutes/1 hour = 600 mL/hour
A nurse is preparing to administer 0.45% sodium chloride 750
mL IV to infuse over 2 hours to a client. The nurse should set
the IV pump to deliver how many mL/hour? - Correct
Answers ✅375 mL/hour
Rationale:
1. 750 ml/2 hours = x
2. x = 375 mL/hour
A nurse is preparing to administer potassium chloride 40 mEq
to infuse over 4 hours to a client. Available is potassium
chloride 40 mEq in 100 mL dextrose 5% in 0.45% sodium
chloride. The nurse should set the infusion pump to deliver
how many mL/hour? - Correct Answers ✅25 mL/hour
Rationale:
1. 100 mL/4 hours = x
Administration 3.0 - Critical Care Medications
Questions With Complete Solutions
A nurse is preparing to administer dobutamine 2.5
mcg/kg/min by continuous IV infusion to a client who weighs
65 kg. The amount available is dobutamine 250 mg/250 mL.
The nurse should set the IV pump to deliver how many
mL/hour? (Round to the nearest tenth.) - Correct Answers
✅9.8 mL/hour
Rationale:
1. (0.0025 mg/kg/min) x (65 kg) = 0.1625 mg/min
2. (0.1625 mg/min) x (250 mL/250 mg) x (60 min/1 hour) =
9.75 ml/hour
3. 9.75 mL/hour = 9.8 mL/hour (rounded)
A nurse is preparing to administer nitroprusside 4 mcg/kg/min
by continuous IV infusion to a client who weighs 57 kg.
Available is nitroprusside 50 mg in 250 mL D5W. The nurse
should set the IV pump to deliver how many mL/hour? (Round
to the nearest tenth.) - Correct Answers ✅68.4 mL/hour
Rationale:
1. (0.004 mg/kg/min) x (57 kg) = 0.228 mg/min
2. (0.228 mg/min) x (250 mL/50 mg) x (60 min/1 hour) = 68.4
mL/hour
, ATI Dosage Calculation and Safe Medication
Administration 3.0 - Critical Care Medications
Questions With Complete Solutions
A nurse is preparing to administer 0.9% sodium chloride 300
mL IV over 30 minutes to a client. The nurse should set the IV
pump to deliver how many mL/hour? - Correct Answers
✅600 mL/hour
Rationale:
1. 300 mL/30 minutes x 60 minutes/1 hour = 600 mL/hour
A nurse is preparing to administer 0.45% sodium chloride 750
mL IV to infuse over 2 hours to a client. The nurse should set
the IV pump to deliver how many mL/hour? - Correct
Answers ✅375 mL/hour
Rationale:
1. 750 ml/2 hours = x
2. x = 375 mL/hour
A nurse is preparing to administer potassium chloride 40 mEq
to infuse over 4 hours to a client. Available is potassium
chloride 40 mEq in 100 mL dextrose 5% in 0.45% sodium
chloride. The nurse should set the infusion pump to deliver
how many mL/hour? - Correct Answers ✅25 mL/hour
Rationale:
1. 100 mL/4 hours = x
