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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
A temperature of 96.8°F is within the normal range for a human body (97.8°F to 99.1°F). However, it does not necessarily indicate the desired effect of Dopamine. Dopamine is primarily used to improve blood flow and cardiac output, particularly in critically ill patients. Therefore, temperature alone is not a reliable indicator of its effectiveness.
Choice B reason:
Blood pressure of 110/68 mmHg suggests that the Dopamine is effectively maintaining the patient's hemodynamic stability. Dopamine is often used to support blood pressure in patients with hypotension, particularly after spinal cord injuries. Maintaining an adequate blood pressure ensures that vital organs receive sufficient blood flow, which is a key therapeutic goal of Dopamine administration.
Choice C reason:
A respiratory rate of 20 breaths/min is considered normal for an adult (12-20 breaths/min). While normal respiratory rate is a positive sign, it is not a direct measure of Dopamine's effectiveness. Dopamine's primary action is on the cardiovascular system, so a normal respiratory rate alone does not necessarily indicate that the drug is having the desired effect.
Choice D reason:
A heart rate of 70 beats/min is within the normal range for adults (60-100 beats/min). Similar to the respiratory rate, while a normal heart rate is beneficial, it is not a direct indicator of Dopamine's effectiveness. Dopamine's role in improving cardiac output and blood pressure is more critical in assessing its desired effects.
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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