Assessment and diagnosis of major depressive disorder and bipolar disorder in adults

Please answer the following questions: (Please provide references to support all responses)

1. Consider the assessment and diagnosis of major depressive disorder and bipolar disorder in adults (two of the most common psychiatric disorders seen in acute and outpatient settings)
2.   Discuss how treatment for the two disorders is different and why it is different.  What are some examples of specific pharmacological and non-pharmacological interventions?
3.   When performing a psychiatric evaluation why is it critical to have access to an immediate family or close friend to confirm information?

(250 words)- Please provide 2 references peer review article within 5 years of publications.