Brain injury

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/brain-injury

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How long is Brain injury?Cognitive, emotional, behavioral, and physical impairments affecting quality of life
2. What is the primary injury mechanisms?Direct impact and inertial forces leading to contusions and diffuse axonal injury
3. What is the secondary injury processes?Excitotoxicity, inflammation, oxidative stress, and impaired energy metabolism
4. How can a bump to the head hurt the brain even if you don't see a bruise?When the head hits something, the brain can twist inside the skull and tear tiny nerve fibers, which can hurt the brain even if there is no visible bruise.
5. Why do doctors use CT or MRI scans to look at brain injuries?CT and MRI scans are special pictures that let doctors see inside the skull and find hidden damage that can't be seen with a simple check.

Diffuse Axonal Injury (DAI): Widespread damage to nerve fibers in the brain, often caused by rotational forces.