What is a major risk factor leading to the development of a cerebrovascular accident (CVA)?

• A. Diabetes
• B. Hypertension
• C. High cholesterol
• D. Smoking

Answer: (B)

Hypertension is recognized as one of the most significant risk factors for the development of a cerebrovascular accident (CVA), commonly known as a stroke. Elevated blood pressure can lead to damage in the blood vessels over time, increasing the likelihood of clots forming or vessels rupturing. This damage can either block blood flow to parts of the brain or cause bleeding, both of which are critical events that can result in a stroke.

The persistent pressure exerted on the vessels can lead to endothelial dysfunction, atherosclerosis, and ultimately the narrowing or hardening of arteries. All these changes make it more difficult for blood to flow properly, exacerbating the risk of a cerebrovascular incident. While other factors like diabetes, high cholesterol, and smoking also contribute to stroke risk, recent studies and clinical guidelines place particular emphasis on hypertension as a primary, modifiable risk factor that can significantly reduce stroke incidence when properly managed.