system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Cranial Nerve which emerges from dorsal surface of brain
assistant
The correct answer is  B i.e. Trochlear Nerve i.e. IVth C.NNerveFeatureTrochlear (4th)Emerge dorsally from the brain stem (2Longest Intracranial course Trigeminal (5th)Largest cranial nerve Vagus (10th)Most extensive distribution Facial (7th)Most commonly paralyzed Facial (715)Longest intraosseous course Abducent (6'h)Most commonly involved in raised ICTOcculomotor (3,d) & Abducent (6th)Commonly involved in inracranial aneurysm.