This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A non diabetic, non hypertensive patient has some extra beats in pulse. Doctor informed that is benign and no intervention required. But patient is worried that it is a serious cardiac disorder and is still going for repeated investigation & going from doctor to doctor. This is a type of: 
Select and explain. 
A. Conversion disorder, B. Hypochondriosis, C. Somatization, D. Depression
B: Hypochondriosis
Answer: B: Hypochondriosis 
Explanation: Interpretation of benign symptom (extra beats) as a serious illness (cardiac disorder) is suggestive of Hypochondriosis.