What is the formula for calculating the volume of drug needed for a patient based on body surface area (BSA)?

The formula for calculating the volume of drug needed for a patient based on body surface area (BSA) is correctly represented as Volume (mL) = Dose (mg/m²) × BSA (m²). This approach is used in pharmacology to tailor medication dosages to the individual's body size, which is particularly important for certain medications that have a narrow therapeutic index or require precise dosing based on the patient's physical characteristics.

In this formula, the dose is given in milligrams per square meter (mg/m²), which accounts for the patient's size, and by multiplying this dose by the patient's BSA in square meters (m²), you can accurately calculate the total volume of the drug needed, expressed in milliliters (mL). This ensures that the patient receives a dosage appropriate for their total body surface area, rather than a one-size-fits-all approach based solely on body weight or other factors.

In contrast, the other options do not accurately represent the relationship needed to determine the volume based on BSA. One option suggests dividing the dose by BSA, which would not yield a volume calculation relevant for medication administration. Another option incorrectly implies multiplying the dose in milligrams directly by BSA without incorporating the correct unit scaling of the