Postpartum depression may be triggered by pronounced swings that occur after birth in the production of which hormones ?
A. testosterone and progesterone
B. estrogen and progesterone
C. dopamine and progesterone
D. catecholamines and progesterone
Answer: B
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"Joan is older than Helen. Helen is older than Chris. Is Joan older or younger than Chris?" To solve this problem, a child must have reached which of the following stages?
A. formal operations B. sensorimotor C. preoperational D. concrete operations
In a study that examined women who experienced a severely stressful event and were screened for symptoms of post-traumatic stress disorder (PTSD), what did the authors find when the women were re-evaluated 14 years later?
a. Women who went to therapy were actually more likely to have coronary heart disease. b. Women who exhibited five or more symptoms of PTSD were three times more likely to have coronary heart disease. c. Women who took antidepressants were more likely not to have coronary heart disease. d. Women who were not married were eight times more likely to have coronary heart disease.
According to Piaget, organization takes place
A) through direct contact with the environment. B) internally. C) in the zone of proximal development. D) externally.
Which of the following is an indicator for the risk of schizophrenia?
A. A father who is under 30 B. Fetal undernourishment C. Being born in a rural area D. Lack of brain maturation