Mild brain injuries
a. usually produce no problems.
b. usually produce short-lived, major problems.
c. are likely to occur in athletes.
d. usually produce long-term, major problems, particularly in older people.
Question 2
The damage that might be caused to the brain by riding a violently fast roller coaster is similar to that seen with
a. a closed-head injury.
b. a penetrating head injury.
c. vascular dementia.
d. a series of circumscribed cerebral infarcts.