This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
First branch of the facial nerve is 
Select and explain. 
A. Greater petrosal nerve, B. Lesser petrosal nerve, C. Chorda-tympanic nerve, D. Nerve to the stapedius
A: Greater petrosal nerve
Answer: A: Greater petrosal nerve 
Explanation: Greater petrosal nerve arises from geniculate ganglion Ref: Dhingra 6th edition pg. 90