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Dosage Calculation – Examples Exam
Questions With Revised Answers
A nurse is providing instruction to a client who has a new prescription for cimetidine 150 mg PO
every 12 hr. Available is 300 mg/5 mL. How many tsp should the nurse instruct the client to take
per dose? (Round answer to nearest tenth). - answer✔✔x tsp = 1 tsp/5mL X 5mL/300mg X
150mg/1
= 0.5 tsp
A provider prescribes magnesium hydroxide 2.4 g PO daily. Available is 400mg/5mL. How
many mL should the nurse administer? (Round answer to nearest whole number) - answer✔✔x
mL = 5mL/400mg X 1,000mg/1g X 2.4g/1
= 30 mL
A nurse is reviewing instructions with a client who has a new order prescription for furosemide
75 mg PO daily. Available is 10mg/mL. The nurse should instruct the client to take how many
tsp daily? (Round answer to nearest tenth) - answer✔✔X tsp = 1tsp/5mL X 1mL/10mg X
75mg/1
= 1.5 tsp
A provider prescribes sodium polystyrene sulfonate 4 oz PO every 6 hr. Available is 60 mL/unit
dose. How many unit doses should the nurse administer every 6 hrs? (Round answer to nearest
whole number) - answer✔✔x unit doses = 1 unit dose/60 mL X 30mL/1oz X 4oz/1
= 2 unit doses
A provider prescribes clonidine 200 mcg PO daily. Available is 0.2 mg/tablet. How many tablets
should the nurse administer? Move the number of tablets into the medication cup. - answer✔✔x
tablet = 1tab/0.2mg X 1mg/1000mcg X 200mcg/1
= 1 tablet
A provider prescribes magnesium hydroxide 2 oz PO daily. The amount available is 30mL/unit
dose. How many unit doses should the nurse administer? (Round answer to nearest whole
number) - answer✔✔x unite doses = 1unit dose/30mL X 30mL/1oz X 2oz/1
Dosage Calculation – Examples Exam
Questions With Revised Answers
A nurse is providing instruction to a client who has a new prescription for cimetidine 150 mg PO
every 12 hr. Available is 300 mg/5 mL. How many tsp should the nurse instruct the client to take
per dose? (Round answer to nearest tenth). - answer✔✔x tsp = 1 tsp/5mL X 5mL/300mg X
150mg/1
= 0.5 tsp
A provider prescribes magnesium hydroxide 2.4 g PO daily. Available is 400mg/5mL. How
many mL should the nurse administer? (Round answer to nearest whole number) - answer✔✔x
mL = 5mL/400mg X 1,000mg/1g X 2.4g/1
= 30 mL
A nurse is reviewing instructions with a client who has a new order prescription for furosemide
75 mg PO daily. Available is 10mg/mL. The nurse should instruct the client to take how many
tsp daily? (Round answer to nearest tenth) - answer✔✔X tsp = 1tsp/5mL X 1mL/10mg X
75mg/1
= 1.5 tsp
A provider prescribes sodium polystyrene sulfonate 4 oz PO every 6 hr. Available is 60 mL/unit
dose. How many unit doses should the nurse administer every 6 hrs? (Round answer to nearest
whole number) - answer✔✔x unit doses = 1 unit dose/60 mL X 30mL/1oz X 4oz/1
= 2 unit doses
A provider prescribes clonidine 200 mcg PO daily. Available is 0.2 mg/tablet. How many tablets
should the nurse administer? Move the number of tablets into the medication cup. - answer✔✔x
tablet = 1tab/0.2mg X 1mg/1000mcg X 200mcg/1
= 1 tablet
A provider prescribes magnesium hydroxide 2 oz PO daily. The amount available is 30mL/unit
dose. How many unit doses should the nurse administer? (Round answer to nearest whole
number) - answer✔✔x unite doses = 1unit dose/30mL X 30mL/1oz X 2oz/1
