20 Questions
Which of the following is a common cause of CVA (stroke)?
Atherosclerosis
What is the main consequence of total occlusion of a cerebral blood vessel?
Necrosis
How long does it take for irreversible nerve cell damage to occur due to ischemia?
5 minutes
Which type of stroke is caused by a sudden obstruction in a cerebral artery?
Embolic stroke
What is the third class of stroke?
Hemorrhagic stroke
Which type of stroke affects large portions of the brain?
Hemorrhagic stroke
What is the consequence of a ruptured cerebral vessel?
Hemorrhage
Which area of the brain is immediately lost when a stroke occurs?
Necrotic area
What causes gradual narrowing of the arterial lumen in atherosclerosis?
Plaque and thrombus
What is the consequence of tissue liquefaction in the brain after a stroke?
Cavity formation
Which of the following is a secondary effect of bleeding in the brain?
All of the above
What can an MRI determine in relation to a stroke?
The cause of the stroke
What tends to increase the neurologic deficits in the first 48 to 72 hours after a stroke?
Cerebral edema
What must be minimized as quickly as possible in the brain after a stroke?
Inflammation and pressure
What remains in the brain after a stroke, resulting in a permanent loss of neurons?
Residual scar tissue
What is a possible outcome for a person who has experienced a stroke with intensive therapy?
Developing new neural pathways
What are common complications after a stroke?
All of the above
What can lead to significant secondary damage in the brain after a hemorrhage?
Free blood in interstitial areas
What can an MRI illustrate in relation to the dysfunction caused by a stroke?
Possible causes
What is the purpose of collateral circulation in the brain?
To maintain blood supply
Test your knowledge of CVA (Stroke) pathophysiology with this quiz. Learn about the causes and outcomes of brain tissue infarction resulting from lack of blood. Explore the role of atheroma, embolus, ischemia, hemorrhage, and increased intracranial pressure in stroke.
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