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: Physiology
Ovulation is due to surge of: September 2006, 2010 
Select and explain. 
A. FSH, B. LH, C. Prolactin, D. TSH
B: LH
Answer: B: LH 
Explanation: Ans. B: LH