A newly licensed nurse is learning about coup and contrecoup injuries.
Which statement by the newly licensed nurse demonstrates a clear understanding of the topic?

A contrecoup injury is not viewed as a “true” injury, while a coup injury can have more severe consequences.

Contrecoup injuries are generally less severe and heal more quickly over time.

The coup injury is the primary point of injury, with the contrecoup injury occurring on the brain’s opposite side.

The coup injury happens secondary to the contrecoup injury but does not impact the brain’s blood supply.

Answer and Explanation

The Correct Answer is C

Choice A rationale
A contrecoup injury is indeed a “true” injury. It occurs on the side of the brain opposite to the point of impact and can have severe consequences, including brain damage. Therefore, this statement is incorrect.
Choice B rationale
The severity and healing time of contrecoup injuries can vary greatly depending on the force and location of the impact, as well as individual health factors. It’s not accurate to say that contrecoup injuries are generally less severe and heal more quickly over time.
Choice C rationale
This statement is correct. A coup injury refers to the brain damage that occurs directly under the point of impact, while a contrecoup injury occurs on the opposite side of the brain from

where the head is struck. These injuries can occur separately or together, but if the blow is strong enough, they usually appear together.
Choice D rationale
The sequence of coup and contrecoup injuries is not as this choice describes. The coup injury happens at the point of impact, and the contrecoup injury happens when the brain rebounds and hits the opposite side of the skull. Both types of injuries can impact the brain’s blood supply.

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Correct Answer is B

Explanation

Choice A rationale
While traumatic brain injuries (TBIs) can occur at any age, people in their 30s are not at the highest risk. Other factors, such as participation in high-risk activities or certain occupations, can increase the risk of TBI, but age alone in this group does not confer a higher risk.
Choice B rationale
People who play contact sports are at a higher risk of sustaining a TBI. Contact sports such as football, boxing, and hockey have a high incidence of TBIs, including concussions.
Choice C rationale
Abstaining from alcohol does not increase the risk of TBI. In fact, alcohol use is a risk factor for TBI, as it can increase the likelihood of falls, car accidents, and other events that can cause TBI1112.
Choice D rationale
Living in rural areas does not inherently increase the risk of TBI. However, certain factors associated with rural living, such as increased travel distances and limited access to trauma

care, can contribute to the severity of a TBI once it occurs. Subarachnoid hemorrhageSubarachnoid hemorrhage Explore

A. Disruption of cellular function and blood vessel damage B. Damage to brain tissue from decreased pressure shock waves C. Increased blood supply and edema to the area of injury D. Increased synaptic connections from pressure .

Correct Answer is A

Explanation

Choice A rationale
A traumatic brain injury (TBI) can indeed disrupt cellular function and cause blood vessel damage. This can lead to a range of potential effects, from temporary changes in brain function to long-term complications or even death.
Choice B rationale
Damage to brain tissue from decreased pressure shock waves is not typically associated with TBI. This type of injury is more commonly associated with blast injuries, such as those caused by explosions.
Choice C rationale
While increased blood supply and edema (swelling) can occur in the area of a brain injury, they are typically responses to the injury rather than direct consequences of the TBI itself. These processes can contribute to further damage and complications.
Choice D rationale
A TBI does not typically lead to increased synaptic connections. In fact, the injury can cause loss of neurons and synapses, which can lead to long-term cognitive and functional impairments.

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A newly licensed nurse is learning about coup and contrecoup injuries. Which statement by the newly licensed nurse demonstrates a clear understanding of the topic?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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Correct Answer is A

Explanation

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A newly licensed nurse is learning about coup and contrecoup injuries.
Which statement by the newly licensed nurse demonstrates a clear understanding of the topic?