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An order has been placed for the following parenteral nutrition (PN) components:

- Dextrose: 250 g
- Amino acids: 50 g
- Sodium acetate: 16 mEq
- Sodium chloride: 38 mEq
- Potassium: 40 mEq
- Magnesium sulfate: 10 mEq
- Phosphate: 21 mmol
- Calcium: 4.45 mEq
- MVI-12 (Multivitamin): 5 ml
- Trace elements: 1 ml
- Vitamin K-1: 0.5 mg
- Famotidine: 10 mg
- Regular insulin: 40 units
- Sterile water: q.s. ad 980 ml

Question: How many milliliters of 23.4% sodium chloride should be added to this PN?

Answer :

Final answer:

The question can't be answered without additional information. The molecular weight (MW) of sodium chloride (NaCl) and the total volume of the parenteral nutrition (PN) solution are needed to determine the volume of a 23.4% NaCl solution to be added.

Explanation:

The question is asking how many milliliters of 23.4% sodium chloride should be added to a parenteral nutrition (PN) solution. To answer this, we need to understand that the percentage solution of NaCl refers to a mass/volume percentage. This means that in 100 mL of solution, there is 23.4 g of NaCl. However, in this question, we are not given the necessary information to determine how much of the 23.4% NaCl solution is to be added to the PN mix. We know the order of sodium chloride is 38 milliequivalents (meq) but without the molecular weight (MW) of NaCl, we can't proceed to convert this to grams and then into volume of 23.4% NaCl solution. Furthermore, we need to know the total volume of the PN solution to consider the dilution effect of adding the NaCl solution. Therefore, without additional information, we can't explicitly answer your question. Please provide the MW of NaCl and the total volume of the PN solution.

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