This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anxiety disorders stress disorders and grief, Subject name: Psychiatry
Anxiety is 
Select and explain. 
A. Neurosis, B. Psychosis, C. Personality disorder, D. None
A: Neurosis
Answer: A: Neurosis 
Explanation: In ICD-10, neurosis, stress-related and somatoform disorders have been classified into the following types: Phobic anxiety disorders Other anxiety disorders Obsessive-compulsive disorders (Ref: a sho textbook of psychiatry, Niraj Ahuja,7th edition, pg no 89)