Final answer:
The nurse should administer 25 mL of medication for each dose based on the order of 1 gram and the medication concentration of 200 mg in 5 mL.
Step-by-step explanation:
The order is for 1 gram (g) of medication to be taken orally, twice a day (PO BID). The pharmacy supplied the medication in a concentration of 200 milligrams (mg) in 5 milliliters (mL). To calculate the volume of medication to administer, one must first convert the order into the same unit as the concentration provided. In this case, the conversion is from grams to milligrams: 1 g = 1000 mg. Since the medication is provided at a concentration of 200 mg per 5 mL, we can calculate the volume needed for a 1000 mg dose. The calculation would be as follows: Determine the volume that contains 1000 mg by setting up a proportion: If 200 mg is in 5 mL, then 1000 mg is in X mL. Now we solve for X: (5 mL / 200 mg) = (X mL / 1000 mg). Multiplying both sides by 1000 mg gives us 5 mL * (1000 mg / 200 mg) = X. Therefore, X = 5 mL * (1000/200) = 25 mL. So, the nurse should administer 25 mL of the medication for each dose.