Answer :
The youngster was racing in the corridor when he or she fell to both knees, according to the instructor who brought him or her to the school nurse. The knees have since developed blue and purple hues. The nurse checks for injuries similar to concussions.
A bump, blow, or shock to the head or a body strike that causes the head and brain to move quickly back and forth results in a concussion, a kind of traumatic brain injury (TBI).
Stress and sleep deprivation are two situations that might mimic concussion symptoms. The athletes who report concussion-related symptoms after sustaining no recent head injuries also frequently have sleep issues and mental health issues including ADHD and depression.
To learn more about concussion
https://brainly.com/question/3758366
#SPJ4