Question 1
Why might someone elect to have a callosotomy?
◦ They have schizophrenia.
◦ They have severe depression.
◦ They have severe epilepsy.
◦ They have a head injury on only one side of the brain.
Question 2
Xuan consumed a food that contained a toxin. It had the potential to make him very sick; however, it never reached his brain, where it could do its harm. In this case, Xuan's __________ protected him from getting sick.
◦ reflexes
◦ glial cells
◦ stem cells
◦ blood-brain barrier