Which is necessary as a defining feature in mental illness? • The individual must have difficulties in functioning that cause distress and/or impairment of some type. Which provides the best definition for mental illness? • Inability to function in a manner that manages both external and internal stressors effectively Which skill is in the psychiatric–mental health registered nurse's scope of practice? • Evaluating the effectiveness of psychiatric medications A nurse is providing community education about the prevention of mental illness. In response to the question, "What does it mean to be mentally healthy?" which is the nurse's best response? • “Mental health is marked by productivity, fulfilling relationships, and adaptability.” Which intervention is appropriate for a psychiatric–mental health nurse at the basic level of practice? • Promoting symptom management Which is the greatest barrier to an individual's ability to obtain the most effective and safest psychiatric medication? • These medications are often not covered by the managed care system because they are expensive. What percentage of adults requiring mental health services get the care they need? • 25% (Only about 25%, or 1 in 4, of adults requiring mental health services get the care that they need) Chlorpromazine is a drug in which classification? • Antipsychotic When providing care to a client, the psychiatric–mental health nurse is implementing the therapeutic use of self. The nurse is applying the concepts based on the work of which individual?