The medical model suggests that mental health illnesses are also a type of physiologic illness which shall be treated through medical diagnosis and prescription medications. These medications to treat mental illnesses are directed to change brain chemistry and chemical modifications improves mood, perception, anxiety and other mental health conditions. Thus equating mental illnesses with medical conditions has improved their diagnosis and treatment in general population. The Medical model believes that mental illnesses have physical causes and thus they can be cured through targeted symptomatic treatment.
The answer to your question is C. It is a set of actions taken by health organizations to prevent the spread of diseases. because the heath organizations are promoting it.