Final answer:
The correct concentration for flush and dissolve drugs using sodium chloride 0.9% is 0.9% concentration.
Step-by-step explanation:
The correct concentration for flush and dissolve drugs using sodium chloride 0.9% is option D) 0.9% concentration. 0.9% concentration of sodium chloride is commonly used as a normal saline solution for intravenous (IV) infusions. It is isotonic with blood and compatible with many drugs.
For example, if you have a drug that needs to be dissolved in sodium chloride 0.9% concentration, you would use 0.9 grams of sodium chloride in 100 mL of solution.