What manifestation is a finding that is specific to pernicious anemia?
Paresthesia
Jaundice
Thrombocytopenia
Severe pain
The Correct Answer is A
Choice A reason: Pernicious anemia, caused by vitamin B12 deficiency from lack of intrinsic factor, leads to neurological damage, causing paresthesia (tingling/numbness). This is specific due to demyelination of peripheral nerves, making this the correct manifestation.
Choice B reason: Jaundice occurs in hemolytic anemias due to red cell breakdown, not pernicious anemia. B12 deficiency causes megaloblastic anemia without significant hemolysis, making jaundice non-specific and incorrect for this condition.
Choice C reason: Thrombocytopenia, low platelet count, is not specific to pernicious anemia. It may occur in other conditions but not typically in B12 deficiency, which primarily affects red cells, making this choice incorrect.
Choice D reason: Severe pain is not a specific feature of pernicious anemia. It may occur in sickle cell anemia or other conditions, but B12 deficiency causes neurological symptoms like paresthesia, making this choice incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","F"]
Explanation
Choice A reason: Spinal cord injury causes immobility, leading to joint contractures as muscles shorten without movement. Lack of joint motion causes fibrosis, reducing flexibility, making this a correct complication of spinal cord injury.
Choice B reason: Blood clots (deep vein thrombosis) occur in spinal cord injury due to immobility, causing venous stasis. This promotes clot formation, increasing embolism risk, making this a correct complication of spinal cord injury.
Choice C reason: Autonomic dysreflexia is a life-threatening complication in spinal cord injury, particularly above T6, due to unopposed sympathetic responses to stimuli, causing hypertension, making this a correct complication.
Choice D reason: Polyuria is not typical; spinal cord injury often causes urinary retention due to impaired bladder innervation. Neurogenic bladder leads to incomplete emptying, not excessive urine, making this incorrect.
Choice E reason: Osteoarthritis is not directly caused by spinal cord injury. It results from joint wear, not neurological impairment. Immobility may cause other joint issues, but not osteoarthritis, making this incorrect.
Choice F reason: Constipation is common in spinal cord injury due to impaired autonomic control of bowel motility. Reduced peristalsis and immobility slow transit, making this a correct complication of spinal cord injury.
Correct Answer is A
Explanation
Choice A reason: Addison’s disease causes adrenal insufficiency, reducing aldosterone, leading to sodium loss and decreased blood volume, causing hypotension. This is a hallmark symptom due to impaired vascular tone, making this the correct choice.
Choice B reason: Hyperglycemia is not typical in Addison’s disease. Cortisol deficiency may cause hypoglycemia due to reduced gluconeogenesis, not elevated glucose, making this choice incorrect for Addison’s manifestations.
Choice C reason: Weight gain is not associated with Addison’s disease, which causes weight loss due to reduced cortisol, leading to decreased appetite and metabolism. This makes the choice incorrect.
Choice D reason: Hypernatremia does not occur in Addison’s disease. Aldosterone deficiency causes sodium loss, leading to hyponatremia, not elevated sodium, making this choice incorrect for Addison’s disease.
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