A nursing student studying spinal cord injury recognizes all of the following to be causes of secondary injuries:
Autonomic dysreflexia
Ischemia
Edema
Axial loading
Hemorrhage
Correct Answer : A,B,C,E
Choice A reason:
Autonomic dysreflexia is a serious condition that can occur in individuals with spinal cord injuries, particularly those at or above the T6 level. It is a secondary injury mechanism that results from the autonomic nervous system's abnormal response to stimuli below the level of injury, leading to severe hypertension and other complications.
Choice B reason:
Ischemia, or reduced blood flow, is a common cause of secondary injury following a spinal cord injury. It can result from initial trauma or subsequent swelling and vascular damage, leading to further cell death and tissue damage.
Choice C reason:
Edema, or swelling, is another cause of secondary injury in spinal cord injuries. The inflammatory response to injury can cause fluid accumulation, increasing pressure within the spinal column and exacerbating damage to spinal cord tissues.
Choice D reason:
Axial loading is a primary mechanism of spinal cord injury, not a secondary injury cause. It refers to the vertical force applied along the axis of the spine, typically resulting from falls or direct blows, leading to compression and potential fractures.
Choice E reason:
Hemorrhage, or bleeding, is a significant cause of secondary injury in spinal cord trauma. It can result from blood vessel damage at the injury site, leading to increased pressure, further tissue damage, and impaired blood flow.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
A serum blood glucose level of 128 mg/dL is slightly elevated but not immediately concerning in the context of organ donation. Blood glucose levels can be managed with insulin if necessary, and this value does not indicate an acute issue requiring immediate intervention.
Choice B reason:
A blood pressure of 83/51 mmHg is critically low and requires immediate action. Low blood pressure can compromise organ perfusion and oxygen delivery, potentially leading to organ damage. In the context of organ donation, maintaining adequate perfusion pressure is essential to ensure the viability of the organs for transplantation.
Choice C reason:
A hemoglobin level of 13 g/dL is within the normal range and does not require immediate intervention. Hemoglobin levels are important for oxygen-carrying capacity but are not the priority concern six hours before organ harvesting if the value is within normal limits.
Choice D reason:
A core body temperature of 97.8 degrees F is slightly below normal but not immediately alarming. Mild hypothermia can be addressed with warming measures, and this temperature does not indicate a critical issue that requires urgent action.
Correct Answer is B
Explanation
Choice A reason:
A 72-year-old client with a brain tumor, GCS of 5, and decerebrate posturing may not be an ideal candidate for organ donation due to age and underlying cancer, which can affect organ viability.
Choice B reason:
A 24-year-old client after a motor vehicle accident with a GCS of 3 and no activity on electroencephalogram is a prime candidate for organ donation. The lack of brain activity indicates brain death, and the patient's young age and otherwise healthy organs make them suitable for transplantation.
Choice C reason:
A 68-year-old male with a massive stroke and GCS of 6 has significant neurological impairment but is not necessarily brain dead. Further evaluation would be required, but this patient may not meet the criteria for brain death necessary for organ donation.
Choice D reason:
A 50-year-old female with a GCS of 12 after surgical evacuation of an epidural hematoma is not an ideal candidate for organ donation at this time as they have a higher level of consciousness and potential for recovery.
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