This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 3, Subject name: Forensic Medicine
All are true statements about plant irritants except: 
Select and explain. 
A. Abrus ingestion resembles cobra snake bite., B. Nux vomica contain strychnine., C. Sui-picking involves abrus precatorius, D. Cholera like action is produced by ricinus communis
A: Abrus ingestion resembles cobra snake bite.
Answer: A: Abrus ingestion resembles cobra snake bite. 
Explanation: Abrus injection (sui needle) resembles viper snake bite. Ricinius communis produces diarrhea (cholera like action). Nux vomica contains strychnine, brucine and loganin.