For a dose of meperidine 75 mg, how many mL should be administered if the available concentration is 100 mg/mL?

To determine the volume of medication to administer, you can use the formula:

Volume (mL) = Dose (mg) / Concentration (mg/mL).

In this case, the required dose is 75 mg and the concentration available is 100 mg/mL. Plugging the values into the formula gives:

Volume = 75 mg / 100 mg/mL = 0.75 mL.

This calculation shows that to achieve the desired dose of 75 mg from a solution that has a concentration of 100 mg/mL, precisely 0.75 mL should be administered. This understanding of dosage calculations is crucial for ensuring accurate medication administration and patient safety.