This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
All are true about arsenic poisoning EXCEPT: 
Select and explain. 
A. Aldrich mees line on nails, B. Mimics tetanus, C. Rain drop pigmentation on body, D. Hyperkeratosis of palms and soles
B: Mimics tetanus
Answer: B: Mimics tetanus 
Explanation: 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.