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: Forensic Medicine
'Red velvety' stomach mucosa is seen in poisoning with: Gujarat 07; JIPMER 14 
Select and explain. 
A. Mercury, B. Arsenic, C. Lead, D. Copper
B: Arsenic
Answer: B: Arsenic 
Explanation: Ans. Arsenic