The National Comorbidity Study found that the course of posttraumatic stress disorder is best described as follows:
a. The person fully recovers.
b. Symptoms tend to diminish gradually.
c. Most people with PTSD report symptoms of the disorder 10 years later.
d. PTSD usually leads to severe alcohol and drug problems.
Question 2
What do the results from the study of twins who served in Vietnam suggest in regard to the biological factors in the cause of PTSD?
a. Genetic factors account for little in PTSD.
b. Level of exposure did not predict PTSD symptoms.
c. Genetic factors were most significant in accounting for arousal/anxiety symptoms.
d. Individual risk of exposure to trauma was not affected by genetic influences.
Herzog & de Meuron, The Bird's Nest—Beijing National Stadium.
The study of how traits such as flower color are passed from generation to generation provided the m
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