What is the adjusted body weight formula?

The adjusted body weight formula is indeed designed to provide a more accurate estimate of a person's ideal body weight when they are overweight or obese. This is particularly useful in clinical scenarios, especially for dosage calculations for medications.

The formula is expressed as adjusted body weight (ABW) being calculated from ideal body weight (IBW) as follows:

Adjusted Body Weight = Ideal Body Weight + 0.4 × (Actual Body Weight - Ideal Body Weight)

This formulation acknowledges that the excess body weight beyond the ideal can affect factors such as drug metabolism and pharmacokinetics, which are crucial for ensuring effective and safe dosages in treatment plans. By using this formula, practitioners can derive a more suitable weight estimation for clinical purposes.

In contrast, the other options either do not reflect the relationship between adjusted body weight, ideal body weight, and actual body weight or incorrectly manipulate these figures. Thus, the chosen formula accurately captures the intention behind adjusted body weight calculations.