CVA study guide with correct answers

CVA - Answer -The brain requires a continuous supply of blood to deliver oxygen and glucose needed to function optimally. Takes 20% of CO to maintain optimal functioning in brain. -CVA = Stroke or Brain Attack - occurs when there is an interruption in blood supply -Interruption in blood flow may be caused by ischemic (low blood flow) or hemorrhagic stroke -Functions including mobility, sensation, speech, affect, and emotions may be lost or impaired as a result of stroke -Severity of functional loss depends on the *location* in the brain and *extent* of injury and *time* it takes to get treatment. -Stroke = 3rd leading cause of death in adults in America and Canada (following cancer and heart disease) IMPACT OF STROKE - Answer -About 795,000 Americans each year suffer a new or recurrent stroke -Someone has a stroke about every 40 seconds -On average, every 4 minutes someone dies of a stroke -Prevention is the best method for decreasing mortality and morbidity RISK FACTORS FOR STROKE - Answer *Non-Modifiable* = Age Gender - men more frequent; women die more Race - african americans Heredity