CBIS Exam Prep Latest Update Update Chapter 1 - 25

CBIS Exam Prep (Latest Update 2025 / 2026 Update) Chapter 1 - 25 Questions and Answers | Grade A | 100% Correct

Question:

How does traumatic brain Injury (TBI) differ from acquired brain injury (ABI)

Answer:

▪ An ABI is any injury to the brain that is not hereditary, congenital, degenerative, or induced by birth trauma.

• the injury will result in a change in neuronal activity, which affects the

physical integrity of nerve cells in the brain.

• the definition of ABI can be considered the umbrella definition , as it

includes injuries caused by trauma of external force and internal insults to the brain.

▪ A TBI is defined as "an alteration in brain function, or other evidence of brain pathology, caused by an external force."

• / 4

Question:

List four causes of ABI

Answer:

▪ Falls ▪ strokes ▪ assaults ▪ motor vehicle crashes

Question:

Closed head injury: What happens in a coup-contrecoup injury? (3)

Answer:

▪ When there is a blow to the head, the initial injury may occur directly beneath the point of impact (coup) ▪ Upon impacting the skull, the brain then rebounds, impacting the contralateral/opposite side of the skull (the countrecoup injury)

• when rotational or angular forces are added, DAI occurs

• / 4

Question:

Why is brain injury called a "silent epidemic"?

Answer:

▪ Because many of the problems that result from a brain injury, such as problems with memory and other thinking skills, are not always immediately apparent.

Question:

What is the most common cause of brain injury according to the CDC?

Answer:

Falls

Question:

What are primary injuries?

Answer:

▪ Primary injuries are the initial etiological cause of the injury ▪ i.e., blow to the head, fall, GSW, brain tumor - occurs at time of injury

• / 4

Question:

What are secondary injuries?

Answer:

▪ a cascade of pathophysiologic events that occur due to the primary injury

• can include hypoxia, anemia, metabolic abnormalities, hydrocephalus,

intracranial hypertension, and hemorrhagic activity

▪ The injury process extends past the point in time of the initial injury as these delayed effects cause additional cellular injury or cell death, and further exacerbate the effects of the injury.

Question:

Besides hydrocephalus and edema, what are two other secondary injuries?

Answer:

▪ intracranial hypertension

▪ hemorrhagic activity

• / 4