A client who suffered a spinal cord injury is experiencing an exaggerated autonomic response. What aspect of the client’s current health status is most likely to have precipitated this event?
The client’s urinary catheter became occluded
The client’s analgesia regimen was recently changed
The client was not repositioned during the night shift
The client received a blood transfusion
The Correct Answer is A
Reasoning:
Choice A reason: An occluded urinary catheter is the most likely trigger for autonomic dysreflexia in spinal cord injury above T6. Bladder distension stimulates sympathetic overactivity, causing hypertension and bradycardia. This noxious stimulus below the injury level disrupts autonomic regulation, making catheter occlusion a common precipitant of this condition.
Choice B reason: A changed analgesia regimen is unlikely to cause autonomic dysreflexia. Pain may contribute to discomfort, but dysreflexia typically results from visceral stimuli like bladder or bowel distension. Analgesia changes do not directly trigger the sympathetic overresponse characteristic of this life-threatening condition.
Choice C reason: Failure to reposition may cause pressure injuries but is less likely to precipitate autonomic dysreflexia. While discomfort from immobility can contribute, visceral stimuli like catheter occlusion are more direct triggers, as they strongly activate the sympathetic nervous system below the spinal injury level.
Choice D reason: A blood transfusion is not a common cause of autonomic dysreflexia. Transfusions may cause reactions like fever, but dysreflexia results from stimuli like bladder distension. Transfusion-related complications do not typically trigger the autonomic overresponse seen in spinal cord injury patients with dysreflexia.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
Reasoning:
Choice A reason: Limiting bed rest to 4 weeks to prevent contractures and atrophy is not the primary principle. While prolonged immobility causes these issues, early mobilization post-stroke improves recovery and prevents complications like thromboembolism, making immediate mobilization the key focus rather than a time limit.
Choice B reason: Mobilizing as soon as physically able is critical post-ischemic stroke to enhance recovery. Early mobilization improves circulation, prevents thromboembolism, maintains muscle strength, and promotes neuroplasticity, reducing disability. This principle counters the family’s insistence on bed rest, which increases complication risks and hinders recovery.
Choice C reason: Waiting for the client to express a desire to mobilize delays recovery. Stroke patients may lack initiative due to neurological deficits or depression. Early mobilization, guided by physical ability, prevents complications like deep vein thrombosis and supports rehabilitation, making patient desire a poor criterion.
Choice D reason: Lack of mobility does not directly increase stroke recurrence risk, which is more tied to vascular risk factors like hypertension or diabetes. However, immobility increases complications like thromboembolism, which could indirectly contribute to stroke. Early mobilization is the priority to enhance overall recovery.
Correct Answer is D
Explanation
Reasoning:
Choice A reason: DIC is not primarily an autoimmune disease complication. While autoimmune conditions may trigger inflammation, DIC results from widespread activation of coagulation pathways due to conditions like sepsis or trauma, leading to microthrombi and factor consumption, not direct autoimmune attack on body cells.
Choice B reason: Hemolytic processes destroying erythrocytes cause hemolytic anemia, not DIC. While hemolysis may contribute to inflammation, DIC is driven by systemic activation of coagulation, forming microthrombi that consume platelets and clotting factors, leading to bleeding, not primarily erythrocyte destruction.
Choice C reason: Immune-mediated platelet destruction occurs in conditions like immune thrombocytopenia, not DIC. DIC involves systemic clotting activation, consuming platelets and factors, causing both thrombosis and bleeding. The immune system does not directly target platelets in DIC’s pathophysiology, making this explanation inaccurate.
Choice D reason: DIC is caused by abnormal activation of the clotting pathway, triggered by conditions like sepsis or trauma, leading to excessive microthrombi formation in organs. This consumes platelets and clotting factors, causing bleeding tendencies.
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