NUR1580 Nursing Pharmacology
Mixed Dosage Calculations
Name______________________
Date____________________________
Please answer the following questions. You must show all your work for the calculations and
have the correct unit of measure in order to receive credit for your answer. Answers that are
numerically correct but shown without math work and/or unit of measure will be marked
incorrect. Round your answers to the nearest tenth.
1. Covert 37.5 C0 to F0. ____________________________________________________
2. Order: Diflucan 0.4g qd PO
How many tabs will the nurse administer? _____________________
3. Calculate how many gtts per minute to infuse 100 mLs in 40 minutes using a 10gtts/mL set.
4. Calculate the completion time for an IV of 1000 mL of D%W running at 100mLs/hour. The
IV was started at 0600 and will be finished at______________.
5. A client is ordered 40 mg of codeine phosphate by subcutaneous injection for pain.
100 mg in 2 ml of liquid for SC Injection is available. How many ml will you administer?
]
6. A client is ordered 75 mg of amoxicillin (Amoxil) syrup orally to treat an upper respiratory
infection. The label reads 25 mg in 5 mls of syrup is available. How many mls will you
administer?
Carefully read the above medication label for penicillin G potassium (Pfizerpen) and answer
the following.
7. Use 75 mLs of diluent to reconstitute the penicillin G potassium (Pfizerpen) and calculate
the mLs needed for a 750,000 unit dose.
8. Use 11.5 mLs of diluent to reconstitute the penicillin G potassium (Pfizerpen) and calculate
the mLs needed for a 500,000 unit dose.
Carefully read the above Principen medication label to answer questions 9 and 10.
You are caring for an child weighing 33 pounds with an infection. The physician has ordered the
following: ampicillin (Prinicipen) according to weight per label.
9. Convert your patient’s weight to kgs and calculate the 24 hours dose range.
_____________________________________________________________________________
10. Calculate what each single dose in mgs would be for your patient and the frequency of
administration.
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