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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A rationale
Pupillary dilation can be a sign of increased intracranial pressure, which could be a result of a traumatic brain injury following a motor vehicle accident. It’s important to assess for this symptom as it may indicate a serious condition that requires immediate medical attention.
Choice B rationale
Persistent headache is a common symptom following a head injury and can be a sign of a concussion or more serious brain injury. It’s crucial to monitor for this symptom as it can provide important information about the patient’s condition.
Choice C rationale
Presence of hand tremors is not typically associated with a head injury from a motor vehicle accident. While tremors can be a symptom of various neurological conditions, they are not commonly seen immediately after a traumatic head injury.
Choice D rationale
Difficulty waking can be a sign of a serious head injury. It could indicate a concussion or other type of traumatic brain injury. This symptom should be closely monitored as it may require immediate medical intervention.
Choice E rationale
Foot drop is not typically a symptom observed immediately after a motor vehicle accident. It’s more commonly associated with peripheral nerve conditions or stroke, rather than a head injury.
Correct Answer is A
Explanation
Choice A rationale
Vasogenic cerebral edema is the most common type of cerebral edema associated with stroke. It involves swelling outside of brain cells, and leaky blood vessels cause it.
Choice B rationale
Osmotic cerebral edema is not typically associated with stroke. It is more commonly seen in conditions like diabetes-related ketoacidosis and hyponatremia.
Choice C rationale
Cellular, or cytotoxic, cerebral edema can occur due to traumatic brain injury and stroke. However, it is not the most common type of cerebral edema associated with stroke.
Choice D rationale
Interstitial cerebral edema is not typically associated with stroke. It is more commonly seen in conditions like hydrocephalus and meningitis.
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