<prompt> All are true about arsenic poisoning EXCEPT:Aldrich mees line on nailsMimics tetanusRain drop pigmentation on bodyHyperkeratosis of palms and soles  <response>: Ans. b Mimics tetanusRef: The Essentials ofFSM by K.S. Narayan Reddy 31st ed. 501-502Arsenic Poisoning Features It is the most commonly used homicidal poison. Presents with Haemorrhagic gastroenteritis and necrosis of intestinal mucosa. It mimics Cholera NOT tetanus Strychinine mimics tetanus. Diarrhea accompanied by tenesumus and anal irritation. Arsenic poisoning is also characterized by 3 Rs Red velvety mucosa upon PM Rain drop pigmentation on body Reinsch test or maRsh test- used to test the arsenic They deposited on skin, hair and nail because they contain keratin, hence it is preserved. Hyperkeratosis on palms and soles. Fatal dose: 0.1-0.2 gm. On nails specific lines seen known as: Aldrich Mees Line Upon chronic poisoning Sensory motor polyneuropathy causing tingling, numbness 8c paresis Encephalopathy Antidote: Hydrated Ferric oxide. 