Answer: Psychological disorder
Step-by-step explanation:
Psychological disorder is a mental disorder that occurs in the mind as behavioral symptom pattern gets impacted causing distress and anxiety. People can face depression, panic attacks, anxiousness, phobia etc in such situation.Person tends to lose interest in social things and surrounding, sleeplessness, and other such symptoms.
According to the question,Kerry might be suffering from psychological disorder as she is experiencing distress and tension along with sleeplessness, appetite loss, etc.This has degraded her grades in college.