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: Gynaecology & Obstetrics
Mechanism of action of spermicide is : 
Select and explain. 
A. Activating acrosomal enzyme, B. Inhibit glucose transpo enzyme, C. Disrupting cell membrane motility, D. Vaginal enzyme alteration
C: Disrupting cell membrane motility
Answer: C: Disrupting cell membrane motility 
Explanation: Disrupting cell membrane motility