A 58 year old patient seen by the APRN complains a great dea…

A 58 year old patient seen by the APRN complains a great deal of trouble remaining asleep at night (has multiple awakenings), says she has lost interest in going out with friends, expresses feelings of worthlessness. She denies use of alcohol or drugs. She has been intentionally cutting back on food intake, had an 8 pound weight increase over the last month with a current BMI of 26.8. Vital signs are all WNL. She tells the APRN that methylphenidate may help with symptoms because she has taken it in the past to help with focus. Which of the following is essential to obtain in regard to differential diagnoses given the above 

A patient seen for psychiatric follow up visit gives very br…

A patient seen for psychiatric follow up visit gives very brief responses to all questions asked and talks in a monotone. The APRN asks the patient to name the time in the past month when he felt happiest. The patient responds, “When I went to the grocery.” The APRN then says, “Tell me the saddest experience you had in the past month,” the patient responds, “I don’t have one,” again in a monotone voice without inflection or any display of emotion, never making eye contact. The APRN best describes his affect as: