According to the DSM-5, acute stress disorder becomes PTSD when __________.
A. the trauma is an event out of the realm of normal life experience
B. the symptoms last for more than two weeks
C. the symptoms last for more than four weeks
D. the symptoms begin within six months of the trauma
Answer: C
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Jesse weighed 3.3 pounds when he was born. Research shows that he is at an increased risk of __________ in adulthood
A) prostate cancer B) diabetes C) lymphatic cancer D) Alzheimer's disease
A psychologist discovers that the blood of patients with schizophrenia contains a certain chemical not found in the general population. This means that
a. this chemical causes a person to develop schizophrenia. b. having schizophrenia causes this chemical to form in a person's blood. c. both schizophrenia and the chemical are caused by some unknown third factor, such as the typical diet in mental hospitals. d. the chemical and schizophrenia are related, but no causal relationship has been established.