Answer:
b. Has risk factors that include atherosclerosis
Explanation:
Ischemic stroke happens when there are underlying factors such as atherosclerosis. Atherosclerosis is caused by clogging of fat and cholesterol in the blood vessels. The reduction in the flow of blood to the brain is usually as a result of blood clumping together and blocking the blood vessels carrying blood to the brain.
The symptoms of ischemic stroke include dizziness, loss of coordination, headache etc.