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
Related Questions
Correct Answer is A
Explanation
Reasoning:
Choice A reason: Bleeding, particularly gastrointestinal, is the most common cause of iron deficiency anemia in males and postmenopausal females. Blood loss reduces iron stores, as hemoglobin contains iron, and chronic bleeding (e.g., from ulcers or colon cancer) depletes iron faster than dietary intake can replenish, leading to anemia.
Choice B reason: Chronic alcohol use may contribute to anemia through nutritional deficiencies or liver disease, but it is not the primary cause. Alcohol can impair folate metabolism or cause gastrointestinal bleeding, but direct blood loss is a more common and significant driver of iron deficiency in these populations.
Choice C reason: Menorrhagia, or heavy menstrual bleeding, is a common cause of iron deficiency anemia in premenopausal women, not males or postmenopausal females. After menopause, menstruation ceases, eliminating this as a cause, making bleeding from other sources, like the gastrointestinal tract, more relevant.
Choice D reason: Iron malabsorption, as in celiac disease or gastric surgery, can cause iron deficiency but is less common than bleeding. Malabsorption impairs dietary iron uptake, but chronic blood loss, especially from gastrointestinal sources, is the leading cause in males and postmenopausal females due to higher prevalence.
Correct Answer is B
Explanation
Reasoning:
Choice A reason: Constant supervision is impractical and not the most effective way to reduce fall risk in Cushing syndrome. While supervision can help, it does not address environmental hazards or promote independence. Muscle weakness from corticosteroid-induced myopathy increases fall risk, making targeted prevention strategies more practical and effective.
Choice B reason: Fall-prevention measures, such as removing obstacles, ensuring adequate lighting, and using non-slip mats, directly address the risk of injury from muscle weakness in Cushing syndrome. These measures reduce environmental hazards and promote safety, effectively mitigating the risk of falls due to corticosteroid-induced myopathy and osteoporosis.
Choice C reason: Encouraging bed rest increases the risk of complications like muscle atrophy and thromboembolism in Cushing syndrome. Prolonged immobility exacerbates muscle weakness and bone loss, both already worsened by corticosteroids, making bed rest counterproductive to maintaining strength and reducing injury risk from falls.
Choice D reason: Assistive devices like canes or walkers can help, but they are not the primary strategy. Fall-prevention measures address environmental risks broadly, benefiting all patients with weakness. Devices are useful for severe mobility issues but are less comprehensive than environmental modifications for preventing falls in Cushing syndrome.
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