What Do the Results from the Study of Twins Who

question 68

Multiple Choice

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.

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