A 33-year-old woman is brought to the physician by her husband because of persistent sadness for the past 2 months. During this period, she also has had difficulty sleeping and an increased appetite. She had similar episodes that occurred 2 years ago and 9 months ago that each lasted for 4 months. Between these episodes, she reported feeling very energetic and rested after 3 hours of sleep. She often went for long periods of time without eating. She works as a stock market trader and received a promotion 5 months ago. She regularly attends yoga classes on the weekends with her friends. On mental status examination, she has a blunted affect. She denies suicidal thoughts and illicit drug use. Which of the following is the most likely diagnosis?
AMajor depressive disorder with seasonal pattern
BPersistent depressive disorder
CBipolar II disorder
DMajor depressive disorder with atypical features
ECyclothymic disorder
A 25-year-old woman comes to the physician because of sadness that started 3 weeks after her daughter was born. Her daughter is now 9 months old and usually sleeps through the night, but the patient still has difficulty staying asleep. She has not returned to work since the birth. She is easily distracted from normal daily tasks. She used to enjoy cooking, but only orders delivery or take-out now. She says that she always feels too exhausted to do so and does not feel hungry much anyway. The pregnancy of the patient's child was complicated by gestational diabetes. The child was born at 36-weeks' gestation and has had no medical issues. The patient has no contact with the child's father. She is not sexually active. She does not smoke, drink alcohol, or use illicit drugs. She is 157 cm (5 ft 1 in) tall and weighs 47 kg (105 lb); BMI is 20 kg/m2. Vital signs are within normal limits. She is alert and cooperative but makes little eye contact. Physical examination shows no abnormalities. Which of the following is the most likely diagnosis?
AAdjustment disorder
BMajor depressive disorder
CNormal behavior
DDisruptive mood dysregulation disorder
EDepression with peripartum-onset
A 38-year-old man comes to the physician because of persistent sadness and difficulty concentrating for the past 6 weeks. During this period, he has also had difficulty sleeping. He adds that he has been “feeling down” most of the time since his girlfriend broke up with him 4 years ago. Since then, he has only had a few periods of time when he did not feel that way, but none of these lasted for more than a month. He reports having no problems with appetite, weight, or energy. He does not use illicit drugs or alcohol. Mental status examination shows a depressed mood and constricted affect. Which of the following is the most likely diagnosis?
APersistent depressive disorder
BAdjustment disorder with depressed mood
CMajor depressive disorder
DBipolar affective disorder
ECyclothymic disorder
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