I have three assignments. Here’s the first one.A prescriber writes a prescription for the following compound:Hydroquinone powder 2%Urea 5%Salicylic acid 10%Flucinonide 0.05% cream, qsDispense: 300 grams.Calculate the number of grams of each of the 4 ingredients in the compound. Show your calculations for each ingredient. See the example in this module’s lecture, “Compounding Calculations” as reference for showing your work in this assignment.For case scenario- all questions.For course project just the critical thinking question.
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Module 04 Case Scenario – TPN Calculations
TPN Order
Prepare a 2 L TPN with the following ingredients:








Dextrose 10%
Aminosyn 4%
Liposyn 5%
Sterile Water, QS
Sodium Chloride 30 mEq
Potassium Chloride 20 mEq
Potassium Phosphate 5 mM
Multiple Vitamins 10 ml
Directions: Answer the questions below using the TPN order above and the following equation:
Total volume of TPN
Stock Solution %
x Desired Solution % = ml of Desired Solution
1. The pharmacy has a stock solution of Dextrose 70%. How many milliliters of Dextrose 70% should be
added to the TPN?
2. The pharmacy has a stock solution of Aminosyn 10%. How many milliliters of Aminosyn should be added
to the TPN?
3. The pharmacy has a stock solution of Liposyn 20%. How many milliliters of Liposyn should be added to
the TPN?
4. The pharmacy has a stock solution of sodium chloride, 4 mEq/ml. How many milliliters of sodium
chloride should be added to the TPN?
5. The pharmacy has a stock solution of potassium chloride, 2 mEq/ml. How many milliliters of potassium
chloride should be added to the TPN?
6. The pharmacy has a stock solution of potassium phosphate, 3 mM/ml. How many milliliters of
potassium phosphate should be added to the TPN?
7. Which components listed in the TPN order are additives?
8. What is the total volume of additives?
9. What does the term, “QS” mean on the TPN order?
10. How many milliliters of sterile water should be added to the TPN?
Module 04 Course Project – Compounding
A. Include 2 equations learned in this module and summarize what each helps to
solve:
1.
2.
B. Summarize 2 key concepts, definitions, or terms presented in this module:
1.
2.
C. Critical Thinking Question:
Pharmacies are required to retain compounding records and calculations related to
compounds that have been created. In a few sentences, describe why this
recordkeeping would be important.

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