<prompt> Hypochondriasis isNormal pre occupation with abnormal body functionLAbnormal pre occupation with abnormal body functionNormal pre occupation with normal body functionAbnormal preoccupation with normal body function  <response>: D i.e. Abnormal preoccupation with normal body functionHypochondriasis is persistent preoccupation with fear or belief of having serious disease based on persons own interpretation of normal body function ie Hypochondriasis is abnormal preoccupation about normal body functionQ. 