When an unstable patient asks why it is necessary to add medications to his current regimen, the pmhnp's best response would be: ?

When an unstable patient raises concerns as to why it is necessary to add medications to his current regimen, the best way that the Psychiatric-mental health nurse practitioner (PMHNP) should respond is to explain to the patient that Medications are often specific to the neurotransmitter(s) they are affecting and, because of more than one neurotransmitter involvement, it is often necessary to use more than one medication to improve symptoms.