What is the definition of non-weight-based medication?

Non-weight-based medication refers to a dosing approach where the standard dosage of a medication is administered without consideration for the patient's body weight. This means that all patients, regardless of their weight, receive the same prescribed dose. Such a method is often used for medications that have established dosages that are effective across a wide range of body weights or for specific populations where weight variances may not significantly impact the effectiveness of the medication.

In contrast, other choices involve different criteria for medication administration. For instance, medications based on age take into account developmental factors which may influence the effectiveness or safety of a drug. Laboratory tests are typically associated with monitoring patient conditions rather than directly determining dosage based on weight. Lastly, medications with varying doses indicate that the amount administered can differ according to specific factors, which is the opposite of the non-weight-based approach. Thus, B accurately captures the essence of non-weight-based medication.