Which term denotes disruption in the normal blood supply to the brain?

• A. Transient Ischemic Attack
• B. Epilepsy
• C. Cerebrovascular accident
• D. Parkinson's disease

Answer: (C)

Disruption in the normal blood supply to the brain is called a cerebrovascular accident, commonly known as a stroke. It happens when a brain blood vessel is blocked (ischemic stroke) or ruptures (hemorrhagic stroke), leading to brain tissue damage from lack of blood flow. This term specifically denotes a vascular event affecting cerebral circulation, which is why it’s the best fit for describing a disruption of brain blood supply.

A transient ischemic attack, by contrast, is a temporary blockage that resolves without lasting brain injury, so it doesn’t represent a lasting disruption. Epilepsy involves recurrent seizures from abnormal brain electrical activity, not blood flow disruption. Parkinson's disease is a neurodegenerative movement disorder, unrelated to blood supply disruption to the brain.