A 65 year old male with a past medical history of poorly controlled hypertension presents with new onset unilateral arm and leg weakness. There is no disturbance of consciousness and there is no evidence of cortical findings (such as aphasia, agnosia, or hemianopsia). What is the most likely location of the vascular obstruction?
1) basilar artery
2) lacunar
3) middle cerebral artery
4) posterior cerebral artery
5) anterior cerebral artery