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ATI Critical Care Dosage Calculations
Questions with Detailed Verified
Answers
Question: A nurse is preparing to administer phenytoin 300mg PO daily.
Available is phenytoin suspension 125 mg/ 5mL. How many mL should the
nurse administer?
Answer: 12 mL
Question: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)
Answer: 56 gtt/min
Question: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.
Answer: B) Store in the refrigerator after reconstitution.
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Question: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).
Answer: 2.3 mL/hr
Question: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)
Answer: 110 mL
Question: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)
Answer: 200 mL/hr
Question: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).
Answer: 25.8 mL/hr
Question:A nurse is preparing to administer 0.9% sodium chloride 50mL IV to
infuse over 30 min. The nurse should set the IV pump to deliver how many
mL/hr? (round the number to the nearest whole number).
Answer: 100 mL/hr
ATI Critical Care Dosage Calculations
Questions with Detailed Verified
Answers
Question: A nurse is preparing to administer phenytoin 300mg PO daily.
Available is phenytoin suspension 125 mg/ 5mL. How many mL should the
nurse administer?
Answer: 12 mL
Question: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)
Answer: 56 gtt/min
Question: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.
Answer: B) Store in the refrigerator after reconstitution.
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Question: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).
Answer: 2.3 mL/hr
Question: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)
Answer: 110 mL
Question: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)
Answer: 200 mL/hr
Question: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).
Answer: 25.8 mL/hr
Question:A nurse is preparing to administer 0.9% sodium chloride 50mL IV to
infuse over 30 min. The nurse should set the IV pump to deliver how many
mL/hr? (round the number to the nearest whole number).
Answer: 100 mL/hr
