Certified Brain Injury Specialist (CBIS) EXAM
LATEST UPDATE THIS YEAR (2026-2027) ALL 300
QUESTIONS AND CORRECT ANSWERS WITH
RATIONALES
1. Which injury is classified as an acquired brain injury (ABI)?
A) Congenital cerebral palsy
B) Traumatic brain injury
C) Spina bifida
D) Autism spectrum disorder
Answer: B
ABI refers to brain injuries occurring after birth, including both traumatic and non-traumatic
causes. Congenital conditions (cerebral palsy, spina bifida) and developmental disorders
(autism) are not classified as ABIs.
2. What is the leading cause of traumatic brain injury (TBI)?
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A) Assaults
B) Motor vehicle accidents
C) Falls
D) Sports-related injuries
Answer: C
Falls are the leading cause of TBI, particularly among young children and older adults. Motor
vehicle accidents are the second leading cause.
3. A patient with a GCS of 12 is classified as having which severity of TBI?
A) Mild TBI
B) Moderate TBI
C) Severe TBI
D) Persistent vegetative state
Answer: B
Glasgow Coma Scale (GCS) scores: 13–15 = Mild TBI, 9–12 = Moderate TBI, 3–8 = Severe TBI.
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4. What is the GCS score range for severe TBI?
A) 13–15
B) 9–12
C) 3–8
D) 0–2
Answer: C
Severe TBI is defined by a GCS score of 3–8. Moderate TBI is 9–12, and mild TBI is 13–15.
5. True or False: Men sustain nearly 2–3 times as many brain injuries as women.
A) True
B) False
Answer: A
Men sustain nearly 2–3 times as many brain injuries as women, reflecting higher rates of risk-
taking behaviors and occupational exposures.
6. An Acquired Brain Injury (ABI) is defined as an injury that:
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A) Was induced by birth trauma
B) Occurs after birth and is not hereditary, congenital, or degenerative
C) Does not include TBI
D) Occurs only in childhood
Answer: B
ABI occurs after birth and is not hereditary, congenital, or degenerative. It includes both
traumatic and non-traumatic causes.
7. Which of the following is an example of an ABI that is NOT a TBI?
A) Motor vehicle accident injury
B) Sports-related concussion
C) Stroke
D) Fall-related injury
Answer: C
Stroke is a non-traumatic ABI. It is caused by interruption of blood flow to the brain, not by
external force. The other options are TBIs caused by external force.
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