ATI Critical Care Dosage Calculations
A nurse is preparing to administer phenytoin 300mg PO daily. Available is phenytoin suspension 125 mg/
5mL. How many mL should the nurse administer? - correct answer 12 mL
A nurse is preparing to administer dextrose 5% in water 1,000 mL IV to infuse over 3 hr. The drop factor
of the manual IV tubing is 10gtt/mL. The nurse should set the manual IV infusion to deliver how many
gtt/min? (Round the answer to the nearest whole number) - correct answer 56 gtt/min
A nurse is preparing to reconstitute Vancomycin. Which of the following actions should the nurse take?
(Review the label to determine the answer).
A) Inject 50mL of diluent into the vial.
B) Store in the refrigerator after reconstitution.
C) Once reconstituted, no further dilution is needed.
D) Reconstitute with 5% dextrose in water. - correct answer B) Store in the refrigerator after
reconstitution.
A nurse is preparing to administer dopamine 5mcg/kg/min by continuous IV infusion to a toddler who
weighs 12kg. Available is dopamine 400mg in dextrose 5% in water 250mL. The nurse should set the IV
pump to deliver how many mL/hr? (Round the answer to the nearest tenth). - correct answer 2.3 mL/hr
A nurse is preparing to administer ceftazidime 40mg/kg IV bolus to an adolescent who weighs 121 lb.
Available is ceftazidime injection 1g/50 mL. How many mL should the nurse administer? (Round to the
nearest whole number) - correct answer 110 mL
A nurse is preparing to administer dextrose 5% in water 150mL IV to infuse over 45 min. The nurse
should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number) -
correct answer 200 mL/hr
A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion to a client who
weighs 86kg. Available is 25,000 units of heparin in 0.9% sodium chloride 500mL. The nurse should set
the IV pump to deliver how many mL/hr? (round to the nearest tenth). - correct answer 25.8 mL/hr
A nurse is preparing to administer phenytoin 300mg PO daily. Available is phenytoin suspension 125 mg/
5mL. How many mL should the nurse administer? - correct answer 12 mL
A nurse is preparing to administer dextrose 5% in water 1,000 mL IV to infuse over 3 hr. The drop factor
of the manual IV tubing is 10gtt/mL. The nurse should set the manual IV infusion to deliver how many
gtt/min? (Round the answer to the nearest whole number) - correct answer 56 gtt/min
A nurse is preparing to reconstitute Vancomycin. Which of the following actions should the nurse take?
(Review the label to determine the answer).
A) Inject 50mL of diluent into the vial.
B) Store in the refrigerator after reconstitution.
C) Once reconstituted, no further dilution is needed.
D) Reconstitute with 5% dextrose in water. - correct answer B) Store in the refrigerator after
reconstitution.
A nurse is preparing to administer dopamine 5mcg/kg/min by continuous IV infusion to a toddler who
weighs 12kg. Available is dopamine 400mg in dextrose 5% in water 250mL. The nurse should set the IV
pump to deliver how many mL/hr? (Round the answer to the nearest tenth). - correct answer 2.3 mL/hr
A nurse is preparing to administer ceftazidime 40mg/kg IV bolus to an adolescent who weighs 121 lb.
Available is ceftazidime injection 1g/50 mL. How many mL should the nurse administer? (Round to the
nearest whole number) - correct answer 110 mL
A nurse is preparing to administer dextrose 5% in water 150mL IV to infuse over 45 min. The nurse
should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number) -
correct answer 200 mL/hr
A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion to a client who
weighs 86kg. Available is 25,000 units of heparin in 0.9% sodium chloride 500mL. The nurse should set
the IV pump to deliver how many mL/hr? (round to the nearest tenth). - correct answer 25.8 mL/hr
