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: Anatomy
The nerve responsible for Cremasteric reflex is: 
Select and explain. 
A. Hypogastric nerve, B. Genito femoral nerve, C. Ilioinguinal nerve, D. All of the above
B: Genito femoral nerve
Answer: B: Genito femoral nerve 
Explanation: Genito femoral nerve