This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial Cavity, Subject name: Anatomy
All cranial nerves have parasympathetic component except: 
Select and explain. 
A. Oculomotor nerve, B. Abducens nerve, C. Facial nerve, D. Vagus nerve
B: Abducens nerve
Answer: B: Abducens nerve 
Explanation: Ans: b (Abducens nerve) Ref: Chaurasia,ed, 334 Table 25.1Cranial nerves with parasympathetic outflow-3,7,9,10Parasympathetic supply is mainly via cranio-sacral outflow whereas the sympathetic outflow is thoracolumbarThe parasympathetic ganglia are:* Submandibular ganglion* Pterygopalatine ganglion* Otic ganglion* Ciliary ganglionBRIDGECranial nerves that absorb CSF- 1, 2, 7 ,8Nucleus tractus solitaries 7, 9. 10 Nucleus