1) Unlike major depression however, the disorder is caused by an outside stressor and generally resolves once the individual is able to adapt to the situation. 2) anxiety disorder, which lacks the presence of a stressor 3) post-traumatic stress disorder and acute stress disorder, which usually are associated with a more intense stressor. – eg. adjustment – pt just broke up with her bf and is crying adn does bad in classand feels terirble. lac of sleep More test answers on https://studyhippo.com/nbme-psych-1-2-mastery/