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
Features of strychnine poisoning - 
Select and explain. 
A. Gradual onset of symptoms, B. Duration of rigor mortis is shorter, C. All muscles not affected at given time, D. Between fits muscles are slightly rigid
B: Duration of rigor mortis is shorter
Answer: B: Duration of rigor mortis is shorter 
Explanation: Rigor mortis sets in almost immediately after death and passes of early –
Signs and symptoms appear within 1 to 2 hours.
Convulsions affect all muscles at the same time.
Between convulsions the muscles are completely relaxed.