What sport is most commonly associated with the highest risk of concussion?
A. Soccer
B. Baseball
C. Lacrosse
D. Football
D. Football
The domains of concussion symptoms include all of the following except EXCEPT:
A. Sleep
B. Physical
C. Emotional
D. Nutrition
E. Cognitive
D. Nutrition
Which of the following is a potential consequence of increased neuronal calcium influx following a concussion?
A. Cell death (apoptosis)
B. Dysfunction and disruption of axonal neurofilaments and microtubules
C. Mitochondrial dysfunction
D. All of the above
D. All of the above
How many people sustain a TBI yearly?
A. 2.5million
B. 1.7million
C. 8.1million
D. 1million
B. 1.7million
The most current biomechanical theory of concussion and brain injury is:
A. Neurometabolic cascade
B. Coup-countercoup phenomenon
C. Military concussion
D. Second impact syndrome
B. Coup-countercoup phenomenon
After diagnosing an athlete with a concussion, what should you NOT do.
A. Perform serial exams
B. Monitor vitals
C. Leave the athlete alone
D. Monitor deterioration
C. Leave the athlete alone
Historians now believe King Henry VIII may have become the crazy tyrant he was because of the long term effects of multiple sports concussions and the presence of post concussion syndrome of CTE.
A. True
B. False
A. True
1 in 5 high school athletes will sustain a concussion during the season.
A. True
B. False
A. True
Shearing forces the cause transverse axons to stretch, tear, or seperate from the cell bodies describes?
A. Neurometabolic cascade
B. Axonal shearing
C. Coup-countercoup
D. Cell degeneration
B. Axonal shearing
Symptoms of a concussion are largely due to transient functional disturbances of neuronal and parenchymal cells rather than frank neuronal destruction.
A. True
B. False
A. True
Within the Neurometabolic cascade, potassium (K+) leaves the cell, while _______ rushes into the cell.
A. Calcium (Ca++)
B. Oxygen (O2+)
C. Sodium (Na+)
D. Chloride (Cl-)
A. Calcium (Ca++)
Damaged neurons in the concussed brain suffer a cellular “energy crisis” due to which of the following factors?
A. Mitochondrial dysfunction
B. Decreased cerebral blood flow
C. Cellular hypermetabolism with decreased available ATP
D. All of the above
D. All of the above
The movement of the brain inside the skull during a rapid acceleration - deceleration event is referred to by what term?
A. Brain slosh
B. The Cunningham effect
C. Diffuse axonal injury
D. Coup - contrecoup
A. Brain slosh
What is it called when a head impact causes the brain to move back and forth within the skull causing an injury to the brain at both the site of impact and a location opposite the site of impact?
A.diffuse axonal injury
B. Neurometabolic cascade
C. Double concussion
D. Coup - contrecoup effect
D. Coup - contrecoup effect
What condition is defined by an uncontrollable increase in intracranial pressure caused by diffuse cerebral edema that occurs after a head impact has been sustained before complete recovery from a previous head trauma?
A. Second impact
B. Subconcussion
C. Postconcussion syndrome
D. Intraparenchymal hemorrage
A. Second impact
What term best describes the condition caused by impacts that commonly occur in sports in which there are no visible signs or symptoms of neurological dysfunction but underlying injury may be present and significantly exacerbate by repeated additional impacts.
A. Subconcussion
B. Post concussion syndrome
C. Chronic encephalopathy
D. Second impact syndrome
A. Subconcussion
Which of the following is the most serious clinical sequela in second impact syndrome?
A. Brain herniation
B. Headache
C. Paralysis
D. Nausea
A. Brain herniation
Which of the following is a symptom of second impact syndrome?
A. Dilated pupils
B. Loss of consciousness
C. Respiratory distress
D. All of the above
D. All of the above
The risk of second impact syndrome is usually greater in the younger athlete because their overall physiological susceptibility to traumatic brain injuries is greater due to their age.
A. True
B. False
A. True
The reason second impact syndrome (SIS) is a more significant diagnosis than a routine concussion is because the mortality rate for SIS is around 50%
A. True
B. False
A. True
Roughly 1/3 of all sports concussions occur in practice.
A. True
B. False
A. True
Which of the following is NOT a symptom of second impact syndrome?
A. Pupillary miosis
B. Respiratory distress
C. Dilated pupils
D. Loss of consciousness
A. Pupillary miosis
What percentage of concussions do NOT involve loss of consciousness (LOC)?
A. 75
B. 90
C. 85
D. 80
B. 90
The intensity of symptoms in a concussion are NOT related to:
A. All of the above
B. Intensity of injury
C. Specific type of injury
D. Number of consecutive injuries sustained
A. All of the above