This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special topics, Subject name: Forensic Medicine
Strychnine poisoning mimics 
Select and explain. 
A. Migraine, B. Tetanus, C. Cholera, D. Chorea
B: Tetanus
Answer: B: Tetanus 
Explanation: STRYCHNINE SULPHATE an alkaloid of nux vomica plant is a potent convulsant poison with a lethal dose of a few milligrams per kg body weight formost animals. It lowers the threshold for stimulation of spinal reflexes by blocking inhibitory pathways exeed by Renshaw cells over the motor cells in the spinal cord. As a result, poisonedanimals go into tetanic convulsions, in response to rather minimal sensory stimuli. (as in tetany)Krishan Vij textbook of forensic medicine and toxicology 5e pg:539