______ of fatally injured bicyclists are 20 years or older - ✔✔90%
______ of fatally injured bicyclists were not wearing a helmet - ✔✔85%
- do what you think is best, most reasonable
- have process for decisions that involves multiple people
- use standards - ✔✔general best approach
-rapidly done up to 2 years
-not completed until late adolescence (18-22) - ✔✔myelination
a biomarker is a measurable substance that is indicative of some phenomenon - ✔✔true
a concussion is a form of mild traumatic brain injury, or mTBI - ✔✔true
a conflict of interest occurs when a person's private interests ________ influence a professional
obligation - ✔✔might
a STAR value of 0.812 means that the athlete could expect to sustain almost 8 concussions in one
%
season with that helmet - ✔✔false
acceleration is the rate of change of velocity and it is the fundamental cause of injuries - ✔✔true
approximately how many children die in 5 gallon buckets in the US each year? - ✔✔14
as the STAR value increases, the helmet will be awarded more stars in the star rating - ✔✔false
as you sit taking your exam you have zero velocity and are not moving relative to the sun - ✔✔false
at what age is the brain at peak size - ✔✔22-27 years old
at what age was exposure to football associated with increased odds for impairment in self-reported
neuropsychiatric and executive function - ✔✔before age 12
ball modulates impact energy: headgear ____ ______ reduce accelerations for ball impacts -
✔✔does not
Based on the primate data, we know that the head has the same tolerance regardless of impact
direction, so front impacts are the same as side impacts relative to concussion risk - ✔✔False
, STUVIA
better helmets can reduce head accelerations by almost 50% when compared to the lower performing
ones - ✔✔True
between what ages is peak maturation of gray and white matter volume - ✔✔9-12
bicycle helmet usage is __________ higher if there is a law - ✔✔4 times
concussions in sports are part of closed head injuries which are part of the traumatic brain injury
classification - ✔✔true
controversial phenomenon that allegedly occurs when the brain sustains a second, subsequent
impact before a pervious injury has had adequate time to heal and recover - ✔✔second impact
syndrome (SIS)
CTE can only be diagnosed after death - ✔✔true
DAI, or diffuse axonal injury, and concussions are both types of traumatic brain injuries - ✔✔true
%
Dr. Ellenbogen, co-chair of the NFL concussion committee, requested that the head of the NIH-group
should be fired since he recommended funding for the Boston University group, which was leading
the way on CTE research - ✔✔true
equestrian chest protection values are ____ ______ than needed for rib fractures - ✔✔much higher
female athletes reported higher concussion rates for all matched sports - ✔✔true
first women admitted to Virginia Tech - ✔✔1921
Florida requires helmets in women's lacrosse, and a recent study found what? - ✔✔helmets reduced
concussion risk by about 50%
For a sensor with a 10% possible error, a true measure of 50g may fall within what range? -
✔✔45g-55g
For a theoretical helmet, there are three test conditions used to create the STAR value.
In condition one, the results show a concussion risk of 0.1 and that condition has an exposure of 20.
In condition two, the results show a concussion risk of 0.25 and that condition has an exposure of 20.
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