<prompt> Most common nerve involved in intracranial aneurysm is :TrochlearVIIVIIIOcculomotor  <response>: Answer is D Occulomotor nerve: Progressively enlarging unruptured aneurysms most commonly involve the occulomotor nerve. This usually occurs from an expanding aneurysm at junction of post communicating aery and internal carotid aery. Otherwise however, remember : the most common nerve to be involved with raised I.C.T. is the abducent nerve or Vlth cranial nerve false localizing sign 