Annette Is Very Afraid of Germs and Disease, So Much

Annette is very afraid of germs and disease, so much so that she washes her hands over 100 times a day to make sure that she avoids infection. Usually she doesn't show much anxiety, but if she is in a place where she is unable to clean her hands, such as the wilderness, she can become very distressed and upset. Annette would most likely be diagnosed as having:

A) obsessive-compulsive disorder.
B) a health-related phobia.
C) generalized anxiety.
D) schizophrenia paranoid type.