This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences, Subject name: Forensic Medicine
Onanism is otherwise known as:- 
Select and explain. 
A. Masturbation, B. Sodomy, C. Buccal coitus, D. Fetishism
A: Masturbation
Answer: A: Masturbation 
Explanation: Onanism / Ipsation /masturbation: self-stimulation which effects sexual arousal