Answer :
The degree of impairment affected by a stroke depends on the
following:
- Presence or absence of collateral circulation.
- The rapidity of the onset of symptoms.
- The amount of tissue area involved
What is Stroke?
This is a medical condition which is characterized by
inadequate supply of blood to the brain. The brain cells begin
to die as a result of lack of oxygen and nutrients getting to it.
This leads to the nerve cells becoming injured and a difficulty in
walking, speaking etc.
Read more about Stroke here https://brainly.com/question/1639929