Post traumatic would be a disorder that includes flashbacks.
Generalized anxiety disorder would be experiencing frequent and intense fear.
Obsessive-compulsive is an extreme fear of a specific object or situation such as, you see one book with the pages facing outward and the rest have their spine showing.
Explanation:
this would involve the fight or flight syndrome of the peripheral nervous system. when you are faced with an unexpected situation, example, speaking in front of classmates, these symptoms are normal physiologic response..almost if you were being robbed at gunpoint...
That would be 2 it goes into all those numbers