e the family medical history can indicate genetic factors that may affect a patient’s response to a medication. patients of different ages can respond differently to medications. the patient’s illness can affect how drugs are metabolized. the chemical stability of the medication and the ease of administration are properties of drugs. pts: 1 dif: cognitive level: analysis ref: pp. 3 4 top: nursing process: implementation msc: nclex client needs category: physiologic integrity: reduction of risk potential