Which of the following is the most common cause of a stroke?
A) Lack of glucose
B) Ischemia from an obstruction of an artery
C) Hemorrhage of an artery
D) Blow to the head

Question

Quizplus · Accepted Answer

Ischemia from an obstruction of an artery (usually due to a blood clot) is the most common cause of a stroke, accounting for approximately 85% of all cases. Hemorrhage of an artery, on the other hand, accounts for approximately 15% of all strokes. Lack of glucose and blow to the head are not common causes of stroke.

Which of the Following Is the Most Common Cause of a Stroke