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 branch of facial nerve that conveys the secretomotor impulse involved in lacrimation is: 
Select and explain. 
A. Chorda tympani nerve, B. Deep petrosal nerve, C. Greater petrosal nerve, D. Lesser petrosal nerve
C: Greater petrosal nerve
Answer: C: Greater petrosal nerve 
Explanation: None