This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerves of Abdomen, Subject name: Anatomy
Most important nerve for cremastric reflex - 
Select and explain. 
A. Genitofemoral nerve, B. Femoral nerve, C. Ilioinguinal nerve, D. Posterior scrotal nerve
A: Genitofemoral nerve
Answer: A: Genitofemoral nerve 
Explanation: Ans. is 'a' i.e., Genitofemoral nerve o Afferent of cremasteric reflex - Femoral branch of genitofemoral nerveo Efferent of cremasteric reflex - Genital branch of genitofemoral nerve.