Dosage Calculation RN Fundamentals Online
Practice Assessment 3.0 -With 100% Verified
Solutions-2023-2024
A Nurse Is Preparing To Administer Codeine 20 Mg PO Every 6 Hr PRN Pain.
Available Is Codeine Oral Solution 10 Mg/ 5 Ml. How Many Ml Should The
Nurse Administer Per Dose?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 10 Ml
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 20 Mg
Step 3: What Is The Dose Available? Dose Available = Have 10 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? No
Step 5: What Is The Quantity Of The Dose Available? 5 Ml
Step 6: Set Up An Equation And Solve For X.
Have/Quantity = Desired/X
10 Mg/ 5 Ml = 20 Mg/ X Ml
X Ml = 10 Ml
Step 7: Round If Necessary.
pg. 1
,Step 8: Determine Whether The Amount To Administer Makes Sense. If There
Are 10 Mg/5 Ml And The Prescription Reads 20 Mg, It Makes Sense To
Administer 10 Ml. The Nurse Should Administer Codeine Oral Solution 10 Ml
PO Every 6 Hr PRN Pain.
A Nurse Is Preparing To Administer Eszopiclone 2,000 Mcg PO To A Client.
How Many Mg Should The Nurse Administer?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 2 Mg
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Mg
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 2,000 Mcg
Step 3: What Is The Dose Available? Dose Available = Have 1 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? Yes (Mcg Does
Not Equal Mg)
1,000 Mcg/1 Mg = 2,000 Mcg/X Mg
X Mg = 2 Mg
Step 5: Round If Necessary.
Step 6: Determine Whether The Amount To Administer Makes Sense. If The
Prescription Reads 2,000 Mcg And 1,000 Mcg Equals 1 Mg, It Makes Sense To
Administer 2 Mg. The Nurse Should Administer Eszopiclone 2 Mg PO.
pg. 2
,A Nurse Is Preparing To Administer Tobramycin 4 Mg/Kg/Day IM Divided In
Three Equal Doses To A Patient Who Weighs 60 Kg. Available Is Tobramycin
40 Mg/Ml. How Many Ml Should The Nurse Administer Per Dose?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 2 Ml
Follow These Steps For The Ratio And Proportion 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.
X = Dose Per Kg × Client's Weight In Kg
X Mg = 4 Mg/Kg × 60 Kg
X Mg = 240 Mg
The Dose Is Divided Into Three Equal Doses; Therefore, Divide X By 3.
240 Mg = 80 Mg3
Step 3: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 4: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 80 Mg
Step 5: What Is The Dose Available? Dose Available = Have 40 Mg
Step 6: Should The Nurse Convert The Units Of Measurement? No
Step 7: What Is The Quantity Of The Dose Available? 1 Ml
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
pg. 3
, Step 9: Round If Necessary.
Step 10: Determine Whether The Amount To Administer Makes Sense. If There
Are 40 Mg/Ml And The Prescription Reads 4 Mg/Kg/Day Divided In Three
Equal Doses, It Makes Sense To Administer 2 Ml. The Nurse Should
Administer Tobramycin 2 Ml IM Per Dose.
A Nurse Is Preparing To Administer Meperidine 75 Mg IM Stat. Available Is
Meperidine Injection 100 Mg/Ml. How Many Ml Should The Nurse
Administer?
(Round Answer To Nearest Hundredth. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 0.75 Ml
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 75 Mg
Step 3: What Is The Dose Available? Dose Available = Have 100 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? No
Step 5: What Is The Quantity Of The Dose Available? 1 Ml
Step 6: Set Up An Equation And Solve For X.
Have/Quantity = Desired/X
100 Mg / 1ml =75 Mg/ X Ml
X Ml = 0.75 Ml
Step 7: Round If Necessary.
pg. 4
Practice Assessment 3.0 -With 100% Verified
Solutions-2023-2024
A Nurse Is Preparing To Administer Codeine 20 Mg PO Every 6 Hr PRN Pain.
Available Is Codeine Oral Solution 10 Mg/ 5 Ml. How Many Ml Should The
Nurse Administer Per Dose?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 10 Ml
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 20 Mg
Step 3: What Is The Dose Available? Dose Available = Have 10 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? No
Step 5: What Is The Quantity Of The Dose Available? 5 Ml
Step 6: Set Up An Equation And Solve For X.
Have/Quantity = Desired/X
10 Mg/ 5 Ml = 20 Mg/ X Ml
X Ml = 10 Ml
Step 7: Round If Necessary.
pg. 1
,Step 8: Determine Whether The Amount To Administer Makes Sense. If There
Are 10 Mg/5 Ml And The Prescription Reads 20 Mg, It Makes Sense To
Administer 10 Ml. The Nurse Should Administer Codeine Oral Solution 10 Ml
PO Every 6 Hr PRN Pain.
A Nurse Is Preparing To Administer Eszopiclone 2,000 Mcg PO To A Client.
How Many Mg Should The Nurse Administer?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 2 Mg
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Mg
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 2,000 Mcg
Step 3: What Is The Dose Available? Dose Available = Have 1 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? Yes (Mcg Does
Not Equal Mg)
1,000 Mcg/1 Mg = 2,000 Mcg/X Mg
X Mg = 2 Mg
Step 5: Round If Necessary.
Step 6: Determine Whether The Amount To Administer Makes Sense. If The
Prescription Reads 2,000 Mcg And 1,000 Mcg Equals 1 Mg, It Makes Sense To
Administer 2 Mg. The Nurse Should Administer Eszopiclone 2 Mg PO.
pg. 2
,A Nurse Is Preparing To Administer Tobramycin 4 Mg/Kg/Day IM Divided In
Three Equal Doses To A Patient Who Weighs 60 Kg. Available Is Tobramycin
40 Mg/Ml. How Many Ml Should The Nurse Administer Per Dose?
(Round To The Nearest Whole Number. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 2 Ml
Follow These Steps For The Ratio And Proportion 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.
X = Dose Per Kg × Client's Weight In Kg
X Mg = 4 Mg/Kg × 60 Kg
X Mg = 240 Mg
The Dose Is Divided Into Three Equal Doses; Therefore, Divide X By 3.
240 Mg = 80 Mg3
Step 3: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 4: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 80 Mg
Step 5: What Is The Dose Available? Dose Available = Have 40 Mg
Step 6: Should The Nurse Convert The Units Of Measurement? No
Step 7: What Is The Quantity Of The Dose Available? 1 Ml
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
pg. 3
, Step 9: Round If Necessary.
Step 10: Determine Whether The Amount To Administer Makes Sense. If There
Are 40 Mg/Ml And The Prescription Reads 4 Mg/Kg/Day Divided In Three
Equal Doses, It Makes Sense To Administer 2 Ml. The Nurse Should
Administer Tobramycin 2 Ml IM Per Dose.
A Nurse Is Preparing To Administer Meperidine 75 Mg IM Stat. Available Is
Meperidine Injection 100 Mg/Ml. How Many Ml Should The Nurse
Administer?
(Round Answer To Nearest Hundredth. Use A Leading Zero If It Applies. Do
Not Use A Trailing Zero.) Answer: 0.75 Ml
Follow These Steps For The Ratio And Proportion Method Of Calculation:
Step 1: What Is The Unit Of Measurement The Nurse Should Calculate? Ml
Step 2: What Is The Dose The Nurse Should Administer? Dose To Administer =
Desired 75 Mg
Step 3: What Is The Dose Available? Dose Available = Have 100 Mg
Step 4: Should The Nurse Convert The Units Of Measurement? No
Step 5: What Is The Quantity Of The Dose Available? 1 Ml
Step 6: Set Up An Equation And Solve For X.
Have/Quantity = Desired/X
100 Mg / 1ml =75 Mg/ X Ml
X Ml = 0.75 Ml
Step 7: Round If Necessary.
pg. 4
