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
Priapism occurs in: AIIMS 06; 13 
Select and explain. 
A. Snake bite, B. Rati poisoning, C. Cantharide poisoning, D. Arsenic poisoning
C: Cantharide poisoning
Answer: C: Cantharide poisoning 
Explanation: Ans. Cantharide poisoning