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: Surgery
Red velvety appearance of the gastric mucosa is seen in poisoning with: 
Select and explain. 
A. Abrus precatorius, B. Lead, C. Arsenic, D. Copper
C: Arsenic
Answer: C: Arsenic 
Explanation: Red velvety appearance of mucosa of stomach is seen in Arsenic poisoning.