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PRACTICE PROBLEMS - PO Meds and Tablet Calculations

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Your 68-year-old patient is being treated for heart failure. The doctor had prescribed 20mg of Lisnopril
to be given at 0900 Q day (every day). In your med cart, you only have 10mg tablets available until the
pharmacy restocks the 20mg tablets. How many tablets will you give your patient this morning?
The Doctor ordered 0.25mg of Medication A to be given once per day in the morning. In your med cart,
Medication A comes in 1mg tablets. How many mg will you have left?
Your patient has 0.5mg of Digoxin scheduled for 0900 this morning. The tablets of Digoxin in your med
cart say 0.125mg. How many tablets will you give?
Your patient is going into surgery and had an order for Ondansetron 16mg to be taken 30 minutes
before surgery. You have 4mg and 8mg tablets in your med cart. How many 4mg tablets will you give?
The doctor had ordered 35 units/kg to be give to your adult patient. You have 25000 units of Heparin
available per 500mL. Your patient weighs 154.324 lbs. How many mL of Heparin will you give?
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
2
Your patient is being discharged and will need to take Amoxicillin antibiotic twicer per day at home.
The doctor has ordered 875mg to be taken every 12 hours. You have reconstituted 100mL of
Amoxicillin for your patient to take home with them until they can get to the pharmacy. The bottle
reads 400mg per 5mL. How many ml will your patient take for each dose?
The doctor orders 0.02kg of Medication A to be given to your patient at 0700 before they go into
surgery. In your med cart, you have 400grams of Medication A. How much will you administer (in
grams)?
The patients order says to give 30mg of Prednisone once per day at 0700. You only have 10mg tablets
in the med cart. How many tablets will you give you patient this morning?
You’re about to give Acetaminophen to a toddler with a fever. The doctors order says to give 15mg/kg
as needed (PRN). In your med cart you have Acetaminophen 160mg per 5mL. The child weighs 27lbs.
How many mL will you administer?
Your patient, Mary, had been hospitalized for 4 days for bacterial pneumonia. She is prescribed 250mg
of Levofloxacin to be taken orally once per day for the next 14 days until her next appointment. You
are getting ready to pass her morning meds but you only have 500mg tablets in your med cart. Mary is
going to be discharged this afternoon. How many milligrams total will Mary need to go home with?
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
3
Your 68-year-old patient is being treated for heart failure. The doctor had prescribed 20mg of Lisnopril
to be given at 0900 Q day (every day). In your med cart, you only have 10mg tablets available until the
pharmacy restocks the 20mg tablets. How many tablets will you give your patient this morning?
Order:
Conversions:
Need:
Answer: 2 tablets
The Doctor ordered 0.25mg of Medication A to be given once per day in the morning. In your med cart,
Medication A comes in 1mg tablets. How many mg will you have left?
Order:
Conversions:
Answer: 0.75mg left
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
Need:
4
Your patient has 0.5mg of Digoxin scheduled for 0900 this morning. The tablets of Digoxin in your med
cart say 0.125mg. How many tablets will you give?
Order:
Conversions:
Need:
Answer: 4 tablets
Your patient is going into surgery and had an order for Ondansetron 16mg to be taken 30 minutes
before surgery. You have 4mg and 8mg tablets in your med cart. How many 4mg tablets will you give?
Order:
Conversions:
Answer: 4 tablets
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
Need:
5
The doctor had ordered 35 units/kg to be give to your adult patient. You have 25000 units of Heparin
available per 500mL. Your patient weighs 154.324 lbs. How many mL of Heparin will you give?
Order:
Conversions:
Need:
Answer: 49.1mL
Your patient is being discharged and will need to take Amoxicillin antibiotic twicer per day at home.
The doctor has ordered 875mg to be taken every 12 hours. You have reconstituted 100ml of
Amoxicillin for your patient to take home with them until they can get to the pharmacy. The bottle
reads 400mg per 5ml. How many ml will your patient take for each dose?
Order:
Conversions:
Answer: 10.9mL
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
Need:
6
The doctor orders 0.02kg of Medication A to be given to your patient at 0700 before they go into
surgery. In your med cart, you have 400grams of Medication A. How much will you administer (in
grams)?
Order:
Conversions:
Need:
Answer:20 grams
The patients order says to give 30mg of Prednisone once per day at 0700. You only have 10mg tablets
in the med cart. How many tablets will you give you patient this morning?
Order:
Conversions:
Answer: 3 tablets
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
Need:
7
You’re about to give Acetaminophen to a toddler with a fever. The doctors order says to give 15mg/kg
as needed (PRN). In your med cart you have Acetaminophen 160mg per 5mL. The child weighs 27lbs.
How many mL will you administer?
Order:
Conversions:
Need:
Answer: 5.8mL
Your patient, Mary, had been hospitalized for 4 days for bacterial pneumonia. She is prescribed 250mg
of Levofloxacin to be taken orally once per day for the next 14 days until her next appointment. You
are getting ready to pass her morning meds but you only have 500mg tablets in your med cart. Mary is
going to be discharged this afternoon. How many milligrams total will Mary need to go home with?
Order:
Conversions:
Answer: 3500mg total
LEGAL DISCLAIMER: This study guide is intended for educational purposes only. This is not medical advice and
errors may occur. Never treat a patient or make a nursing or medical decision based solely on the information
provided in this video. Never practice nursing or medicine unless you have a proper license to do so.
Need:
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