This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 3, Subject name: Anatomy
Nerve carrying parasympathetic fibres are : 
Select and explain. 
A. Cranial nerves 3,5,7,10 and S1-5, B. Cranial nerves 3,7,9,10 and S2-4, C. Cranial nerves 5,7,9,10 and S1-5, D. Cranial nerves 3,5,7,10 and S2-4
B: Cranial nerves 3,7,9,10 and S2-4
Answer: B: Cranial nerves 3,7,9,10 and S2-4 
Explanation: Para sympathetic flow is cranio-sacral flow carried by cranial nerves 3,7,9,10 and the sacral nerves S-2,3,4.These nerves carry the preganglionic fibres to their respective ganglia.