Medicine General d5fbba06 A patient with suspected subarachnoid haemorrhage presents with blood isolated in the fourth ventricle on a CT scan. Aneurysmal rupture is likely to have resulted from - A Posterior Inferior Cerebellar Artery Aneurysm B Anterior Communicating Artery Aneurysm C Posterior Communicating Artery Aneurysm D Basilar Artery Tip Aneurysm High-Yield Explanation No explanation provided.