The minimum duration required to diagnose depressive episode is

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• A 37-year-old alcoholic is brought to the emergency room after he was found unconscious in the street. He is hospitalized for dehydration and pneumonia. While being treated, he becomes acutely confused and agitated. He cannot move his eyes upward or to th
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• A 56-year-old woman slips on ice and hits her head on the pavement, but she does not give much weight to this event. During the following three weeks, she develops a persistent headache, she is increasingly distractible and forgetful, and at night she becomes fearful and disoriented. The most likely cause of such changes is
• A 15-year-old boy developed a left Bell''s palsy over the course of 1 week. He was treated with acyclovir and prednisone. Over the next 3 months he seemed to recover almost fully. However,he has noticed involuntary twitching at the left corner of the mouth each time he tries to blink the left eye. This is most likely caused by:
• Smith believes that the devil has chosen him for a special mission in the underworld.He refuses food saying that he has to be pure for his mission.He draws symbols on himself and the walls saying that this will show the way to the devil. Although he canno
• Smith believes that the devil has chosen him for a special mission in the Underworld.He refuses food saying that he has to be pure for his mission.He draws symbols on himself and the walls saying that this will show the way to the devil.Although he cannot explain why and how he was chosen，he cannot accept that his belief is illogical.What symptoms of schizophrenia is Michael showing
• Female patient, 23 years old, married, and her period is regular. She has the symptom of irregular vaginal bleeding for 3 days. Which of the following examinations is the first choice
• A 68-year-old man presents with a history of diabetes and hypertension. The patient always feels weak. And he feels it is difficult to recover completely and the treatment costs a lot. In recent two months, he feels less wellness, weak, loss of appetite, sickly, sleep lightly, waking easily and not getting back to sleep. His spirits are at low tide. He feels himself dragged behind the family. One day ago, he cut wrist and took an overdose of sleeping pills. The family found and took him to the hospital. The patient was out of danger. Which one of the following is the suicide behavior of the patient belongs to?