A 72-year-old man is brought to hospital by his wife after a 30-minute episode of confusion and disorientation that was associated with the right side of his face and right arm becoming weak. He has a history of hypertension managed with hydrochlorothiazide. Physical and neurologic examination shows a slightly sluggish patient with no overt abnormalities. Temperature is 98.2 F, HR 72, RR 16, BP 140/90. Which of the following anatomic locations is the most likely downstream site of the thromboembolus in this patient?
A) Anterior cerebral artery; anterior to central sulcus; lateral hemisphere
B) Anterior cerebral artery; anterior to central sulcus; medial hemisphere
C) Anterior cerebral artery; posterior to central sulcus; lateral hemisphere
D) Anterior cerebral artery; posterior to central sulcus; medial hemisphere
E) Middle cerebral artery; anterior to central sulcus; lateral hemisphere
F) Middle cerebral artery; anterior to central sulcus; medial hemisphere
G) Middle cerebral artery; posterior to central sulcus; lateral hemisphere
H) Middle cerebral artery; posterior to central sulcus; medial hemisphere
I) Posterior cerebral artery

