Dosage Calculation RN Fundamentals Online Practice Assessment 3.0 Test
Questions with 100% Verified Answers
A nurse is preparing to administer codeine 20 mg Step 1: What is the unit of measurement the
PO every 6 hr PRN pain. Available is codeine nurse should calculate? mg
oral solution 10 mg/ 5 mL. How many mL should Step 2: What is the dose the nurse should
the nurse administer per dose? administer? Dose to administer = Desired 2,000
mcg
(Round to the nearest whole number. Use a Step 3: What is the dose available? Dose
leading zero if it applies. Do not use a trailing available = Have 1 mg
zero.) - -Answer: 10 mL Step 4: Should the nurse convert the units of
measurement? Yes (mcg does not equal mg)
Follow these steps for the Ratio and Proportion 1,000 mcg/1 mg = 2,000 mcg/X mg
method of calculation: X mg = 2 mg
Step 1: What is the unit of measurement the Step 5: Round if necessary.
nurse should calculate? mL Step 6: Determine whether the amount to
Step 2: What is the dose the nurse should administer makes sense. If the prescription reads
administer? Dose to administer = Desired 20 mg 2,000 mcg and 1,000 mcg equals 1 mg, it makes
Step 3: What is the dose available? Dose sense to administer 2 mg. The nurse should
available = Have 10 mg administer eszopiclone 2 mg PO.
Step 4: Should the nurse convert the units of
measurement? No
Step 5: What is the quantity of the dose
available? 5 mL A nurse is preparing to administer tobramycin 4
Step 6: Set up an equation and solve for X. mg/kg/day IM divided in three equal doses to a
Have/Quantity = Desired/X patient who weighs 60 kg. Available is
10 mg/ 5 mL = 20 mg/ X mL tobramycin 40 mg/mL. How many mL should the
X mL = 10 mL nurse administer per dose?
Step 7: Round if necessary.
Step 8: Determine whether the amount to (Round to the nearest whole number. Use a
administer makes sense. If there are 10 mg/5 mL leading zero if it applies. Do not use a trailing
and the prescription reads 20 mg, it makes sense zero.) - -Answer: 2 mL
to administer 10 mL. The nurse should
administer codeine oral solution 10 mL PO every Follow these steps for the Ratio and Proportion
6 hr PRN pain. method of calculation:
Step 1: What is the unit of measurement the
nurse should calculate? mg
Step 2: Set up an equation and solve for X.
A nurse is preparing to administer eszopiclone X = Dose per kg × Client's weight in kg
2,000 mcg PO to a client. How many mg should X mg = 4 mg/kg × 60 kg
the nurse administer? X mg = 240 mg
The dose is divided into three equal doses;
(Round to the nearest whole number. Use a therefore, divide X by 3.
leading zero if it applies. Do not use a trailing 240 mg = 80 mg3
zero.) - -Answer: 2 mg Step 3: What is the unit of measurement the
nurse should calculate? mL
Follow these steps for the Ratio and Proportion Step 4: What is the dose the nurse should
method of calculation: administer? Dose to administer = Desired 80 mg
, Dosage Calculation RN Fundamentals Online Practice Assessment 3.0 Test
Questions with 100% Verified Answers
Step 5: What is the dose available? Dose Step 7: Round if necessary.
available = Have 40 mg Step 8: Determine whether the amount to
Step 6: Should the nurse convert the units of administer makes sense. If there are 100 mg/mL
measurement? No and the prescription reads 75 mg, it makes sense
Step 7: What is the quantity of the dose to administer 0.75 mL. The nurse should
available? 1 mL administer meperidine 0.75 mL IM.
Step 8: Set up an equation and solve for X.
Have/Quantity = Desired/X
40 mg/1 mL = 80 mg/X mL
X mL = 2 mL A nurse is preparing to administer famotidine 40
Step 9: Round if necessary. mg PO at bedtime. Available is famotidine 20
Step 10: Determine whether the amount to mg/tablet. How many tablets should the nurse
administer makes sense. If there are 40 mg/mL administer?
and the prescription reads 4 mg/kg/day divided in
three equal doses, it makes sense to administer (Round answer to nearest whole number. Use a
2 mL. The nurse should administer tobramycin 2 leading zero if it applies. Do not use a trailing
mL IM per dose. zero.) - -Answer: 2 tablets
Follow these steps for the Ratio and Proportion
method of calculation:
A nurse is preparing to administer meperidine 75 Step 1: What is the unit of measurement the
mg IM stat. Available is meperidine injection 100 nurse should calculate? tablet(s)
mg/mL. How many mL should the nurse Step 2: What is the dose the nurse should
administer? administer? Dose to administer = Desired 40 mg
Step 3: What is the dose available? Dose
(Round answer to nearest hundredth. Use a available = Have 20 mg
leading zero if it applies. Do not use a trailing Step 4: Should the nurse convert the units of
zero.) - -Answer: 0.75 mL measurement? No
Step 5: What is the quantity of the dose
Follow these steps for the Ratio and Proportion available? 1 tablet
method of calculation: Step 6: Set up an equation and solve for X.
Step 1: What is the unit of measurement the Have/Quantity = Desired/X
nurse should calculate? mL 20 mg/ 1 tablet = 40 mg/X tablet(s)
Step 2: What is the dose the nurse should X tablet(s) = 2 tablets
administer? Dose to administer = Desired 75 mg Step 7: Round if necessary.
Step 3: What is the dose available? Dose Step 8: Determine whether the amount to
available = Have 100 mg administer makes sense. If there are 20 mg/tablet
Step 4: Should the nurse convert the units of and the prescription reads 40 mg, it makes sense
measurement? No to administer 2 tablets. The nurse should
Step 5: What is the quantity of the dose administer famotidine 2 tablets PO at bedtime.
available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
100 mg / 1mL =75 mg/ X mL A nurse is preparing to administer morphine 4 mg
X mL = 0.75 mL IM. Available is morphine injection 10 mg/mL.
Questions with 100% Verified Answers
A nurse is preparing to administer codeine 20 mg Step 1: What is the unit of measurement the
PO every 6 hr PRN pain. Available is codeine nurse should calculate? mg
oral solution 10 mg/ 5 mL. How many mL should Step 2: What is the dose the nurse should
the nurse administer per dose? administer? Dose to administer = Desired 2,000
mcg
(Round to the nearest whole number. Use a Step 3: What is the dose available? Dose
leading zero if it applies. Do not use a trailing available = Have 1 mg
zero.) - -Answer: 10 mL Step 4: Should the nurse convert the units of
measurement? Yes (mcg does not equal mg)
Follow these steps for the Ratio and Proportion 1,000 mcg/1 mg = 2,000 mcg/X mg
method of calculation: X mg = 2 mg
Step 1: What is the unit of measurement the Step 5: Round if necessary.
nurse should calculate? mL Step 6: Determine whether the amount to
Step 2: What is the dose the nurse should administer makes sense. If the prescription reads
administer? Dose to administer = Desired 20 mg 2,000 mcg and 1,000 mcg equals 1 mg, it makes
Step 3: What is the dose available? Dose sense to administer 2 mg. The nurse should
available = Have 10 mg administer eszopiclone 2 mg PO.
Step 4: Should the nurse convert the units of
measurement? No
Step 5: What is the quantity of the dose
available? 5 mL A nurse is preparing to administer tobramycin 4
Step 6: Set up an equation and solve for X. mg/kg/day IM divided in three equal doses to a
Have/Quantity = Desired/X patient who weighs 60 kg. Available is
10 mg/ 5 mL = 20 mg/ X mL tobramycin 40 mg/mL. How many mL should the
X mL = 10 mL nurse administer per dose?
Step 7: Round if necessary.
Step 8: Determine whether the amount to (Round to the nearest whole number. Use a
administer makes sense. If there are 10 mg/5 mL leading zero if it applies. Do not use a trailing
and the prescription reads 20 mg, it makes sense zero.) - -Answer: 2 mL
to administer 10 mL. The nurse should
administer codeine oral solution 10 mL PO every Follow these steps for the Ratio and Proportion
6 hr PRN pain. method of calculation:
Step 1: What is the unit of measurement the
nurse should calculate? mg
Step 2: Set up an equation and solve for X.
A nurse is preparing to administer eszopiclone X = Dose per kg × Client's weight in kg
2,000 mcg PO to a client. How many mg should X mg = 4 mg/kg × 60 kg
the nurse administer? X mg = 240 mg
The dose is divided into three equal doses;
(Round to the nearest whole number. Use a therefore, divide X by 3.
leading zero if it applies. Do not use a trailing 240 mg = 80 mg3
zero.) - -Answer: 2 mg Step 3: What is the unit of measurement the
nurse should calculate? mL
Follow these steps for the Ratio and Proportion Step 4: What is the dose the nurse should
method of calculation: administer? Dose to administer = Desired 80 mg
, Dosage Calculation RN Fundamentals Online Practice Assessment 3.0 Test
Questions with 100% Verified Answers
Step 5: What is the dose available? Dose Step 7: Round if necessary.
available = Have 40 mg Step 8: Determine whether the amount to
Step 6: Should the nurse convert the units of administer makes sense. If there are 100 mg/mL
measurement? No and the prescription reads 75 mg, it makes sense
Step 7: What is the quantity of the dose to administer 0.75 mL. The nurse should
available? 1 mL administer meperidine 0.75 mL IM.
Step 8: Set up an equation and solve for X.
Have/Quantity = Desired/X
40 mg/1 mL = 80 mg/X mL
X mL = 2 mL A nurse is preparing to administer famotidine 40
Step 9: Round if necessary. mg PO at bedtime. Available is famotidine 20
Step 10: Determine whether the amount to mg/tablet. How many tablets should the nurse
administer makes sense. If there are 40 mg/mL administer?
and the prescription reads 4 mg/kg/day divided in
three equal doses, it makes sense to administer (Round answer to nearest whole number. Use a
2 mL. The nurse should administer tobramycin 2 leading zero if it applies. Do not use a trailing
mL IM per dose. zero.) - -Answer: 2 tablets
Follow these steps for the Ratio and Proportion
method of calculation:
A nurse is preparing to administer meperidine 75 Step 1: What is the unit of measurement the
mg IM stat. Available is meperidine injection 100 nurse should calculate? tablet(s)
mg/mL. How many mL should the nurse Step 2: What is the dose the nurse should
administer? administer? Dose to administer = Desired 40 mg
Step 3: What is the dose available? Dose
(Round answer to nearest hundredth. Use a available = Have 20 mg
leading zero if it applies. Do not use a trailing Step 4: Should the nurse convert the units of
zero.) - -Answer: 0.75 mL measurement? No
Step 5: What is the quantity of the dose
Follow these steps for the Ratio and Proportion available? 1 tablet
method of calculation: Step 6: Set up an equation and solve for X.
Step 1: What is the unit of measurement the Have/Quantity = Desired/X
nurse should calculate? mL 20 mg/ 1 tablet = 40 mg/X tablet(s)
Step 2: What is the dose the nurse should X tablet(s) = 2 tablets
administer? Dose to administer = Desired 75 mg Step 7: Round if necessary.
Step 3: What is the dose available? Dose Step 8: Determine whether the amount to
available = Have 100 mg administer makes sense. If there are 20 mg/tablet
Step 4: Should the nurse convert the units of and the prescription reads 40 mg, it makes sense
measurement? No to administer 2 tablets. The nurse should
Step 5: What is the quantity of the dose administer famotidine 2 tablets PO at bedtime.
available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
100 mg / 1mL =75 mg/ X mL A nurse is preparing to administer morphine 4 mg
X mL = 0.75 mL IM. Available is morphine injection 10 mg/mL.
