Mr. Sharma suffered from a stroke and the right side of his body was paralysed. However his response was normal for knee jerk reflex with either leg.

Question

Give scientific reason :

Mr. Sharma suffered from a stroke and the right side of his body was paralysed. However his response was normal for knee jerk reflex with either leg. Explain how and why?

Answer 1

1. Stroke is damage to the brain due to interruption of its blood supply. 

2. Due to this brain functions and cerebral reflexes are severely affected. 

3. However, spinal reflexes remain largely unaffected. 

4. In the above case. Mr. Sharma suffered from a stroke and developed paralysis. But his response to the knee jerk was normal as it is controlled by spinal cord.