Jim came home from the office trembling, experiencing shortness of breath, irritable, unable to concentrate, and worrying about whether his business would still be open next week, despite the fact that his business was evidencing its highest profit ever. jim’s condition would most likely be diagnosed as:

Generalized anxiety disorder

Explanation:

Generalized anxiety disorder is a psychological disorder. It indicates that the person who is suffering from GAD has persistent and excessive worry about something. People are generally concerned with health, money, status, work, family, etc. It is very difficult for people to control their excess worry. People seem more worried about a situation that is in actual not so much concern about that worry.  

GAD is diagnosed when people feel so much worry and not able to stop worry. The anxiety consistent lasts six months and disturbs the daily activities of a person. CBT is the most specific therapy that is used in this disorder for treatment.  

i dont know but thats a great qusestion

i would say b. research typically uses a variety of sources