This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
Sexual gratification is obtained by inflicting injuries to sexual paner in 
Select and explain. 
A. Masochism, B. Sadism, C. Fetichism, D. Necrophilia
B: Sadism
Answer: B: Sadism 
Explanation: Sadisim In sadism, the sexual gratification is obtained by inflicting injuries on the sexual paner. It is most commonly seen in men. To obtain sexual gratification, the sadist may bite , whip, beat, or produce cut injuries on the sexual paner Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 312