Drug manufacturer has recommended a drug dose of 10 mg per square meter of body surface area (bsa). what is the required dose of the drug for a child who has a psa of 1.2 square meters

12 mg

Explanation:

The given says it is 10 mg per square meter. If the child is 1.2 square meters, you can solve this by merely multiplying the two figures.

10 x 1.2 = 12 mg

If you want to see how the units cancel out, you can do this also:

Added info!

Drug dose needs to be very specific and also needs to be appropriate for the bsa or weight of the patient. Some drugs can have very strong reactions and an overdose can be deadly. On the other hand, if you give them less than what is required, it may not be effective anymore.