<prompt> Rupture of berry aneurysm most commonly results in -Subarachnoid hemorrhageSubdural hemorrhageExtradural hemorrhageIntra-parenchymal hemorrhage  <response>: Ans. is a i.e., Subara chnoid hemorrhage o Most common cause of subarachnoid hemorrhage-Traumao Most common cause of spontaneous subarachnoid hemorrhage-Rupture of Berry aneurysmor Saccular aneurysmAlso knowMycotic aneurysm -o Mycotic aneurysm is caused by a septic embolus that weakens the wall of the vessel in which it lodges. 