<prompt> Rain drop pigmentation is seen in:PenicillamineArsenicMercuryLead  <response>: Ans: b Arsenic Ref: Reddy, 27th ed, p. 473Features of arsenic poisoning Fatal dose 120-200 mg Poisoning resembles cholera Mees line in nails Hyperkeratosis of palms and soles Haemorragic spots in mucosa Red velvety stomach mucosa Raindrop pigmentation - measles like fading Subendothelial petechial haemmorages Addison like disease - due to pigmentation Arsenic neuritis resembles that of chronic alcoholismDetectionArsenic is rapidly cleared from the body, so blood samples are useful only in acute poisoningIn chronic poisoning - Hair nails and skin samples are preservedMaximum amount is seen in liver than skin.It can be detected even in decomposed bodiesMarsh test and Reinsch test are done to detect arsenic 