What is the concentration of Epinephrine 1:10,000?

Epinephrine 1:10,000 means that there is 1 part of epinephrine in 10,000 parts of the total solution. This ratio can be converted to a concentration. When determining the concentration in a more practical unit, it's helpful to recognize that 1:10,000 translates to a concentration of 0.1 mg per milliliter (mg/mL).

To break that down, if you have 10,000 mL of solution, it would contain 1 mg of epinephrine. When you divide the amount of drug by the total volume, you would then find that in every 1 mL of solution, there is 0.1 mg of epinephrine. Therefore, the correct concentration of Epinephrine 1:10,000 is 0.1 mg/mL, justifying the choice as the appropriate answer.

This understanding is crucial, especially in emergency medicine and pharmacology, where precise dosages can significantly impact patient outcomes.