Casandra is an honors student and one of the best varsity volleyball players. Despite her successes, she has begun to worry about her grades and standing in college, and her future. She has noticed that her mind goes blank in class and she has difficulty falling asleep at night. Most likely, Cassandra hasA) generalized anxiety disorder. B) panic disorder. C) obsessive-compulsive disorder. D) agoraphobia.

Generalized anxiety disorder

Explanation:

GAD is a psychological disorder. It is about excessive worry and persistent worry about the number of different things. People who suffers from GAD generally anticipated disasters and excessive worry about money, family, health, work, or school grades. They may worry more about the concern situation than it is in reality. They analyze the situation worst even when there is not any apparent reason for the situation. GAD diagnosed when the person has no control over the situation and it is persistent last six months and has three or more symptoms. People, with GAD don't know how to stop the cycle of worry and feel that is beyond their reach. The people know that their worry is more intense than the situation occurs. The exact cause of GAD is unknown, but there is another factor contributing to it as family, genes, environment, etc. people with GAD can function socially. Sometimes they avoid the situation just because, they from disorder or maybe they don't want to take the opportunity due to their worry about a social situation, travel promotions, etc.