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 efferent limb of the cremaster reflex is provided by 
Select and explain. 
A. Femoral branch of the genitofemoral, B. Genital branch of the genitofemoral nerve, C. Ilioinguinal nerve, D. Pudendal nerve
B: Genital branch of the genitofemoral nerve
Answer: B: Genital branch of the genitofemoral nerve 
Explanation: -        Cremastric reflex- 

Afferent- Femoral branch of genitofemoral nerve
Efferent- Genital branch of genitofemoral nerve