This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb, Subject name: Anatomy
[{'content': 'Root value of femoral nerve? \nSelect and explain. \nA. Dorsal divisions of ventral primary rami of lumbar 2, 3, 4, B. Ventral divisions of ventral primary rami of lumbar 2, 3, 4, C. Ventral divisions of dorsal primary rami of lumbar 2, 3, 4, D. Dorsal divisions of dorsal primary rami of lumbar 2, 3, 4', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Root value of Femoral nerve: Dorsal divisions of ventral primary rami of lumbar 2, 3, 4 segments of spinal cord.Ref: Chaurasia; Volume 2; 6th edition; Page no: 62', 'role': 'assistant'}]