Jane, diagnosed with diabetes 10 years ago, develops visual impairment, primarily because of:
Microvascular changes in the eye
Development of exophthalmos
Abnormal metabolism in the lens
Cataract development
The Correct Answer is A
A. Diabetic retinopathy, a common complication of diabetes, is caused by microvascular changes in the eye. Chronic high blood sugar can damage the small blood vessels in the retina, leading to visual impairment. This is the most common cause of visual impairment in people with long-standing diabetes.
B. Exophthalmos is typically associated with thyroid disorders, particularly Graves' disease, not diabetes.
C. Abnormal metabolism in the lens can lead to cataracts, but it is not the primary cause of visual impairment in diabetic patients.
D. Cataracts are more common in people with diabetes, but they are not the primary cause of visual impairment in diabetes. Diabetic retinopathy due to microvascular damage is the leading cause.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Adjusting thirst sensation is not the primary focus of treatment for Diabetes Insipidus. The condition is more concerned with fluid balance and preventing dehydration due to excessive urination.
B. Hydration is crucial in the management of Diabetes Insipidus, as patients experience excessive urination and fluid loss. Proper hydration helps prevent dehydration and its associated complications.
C. A 24-hour urine collection is used to assess the extent of polyuria but is not a primary treatment strategy. Treatment focuses on managing fluid balance rather than just monitoring urine output.
D. While increasing Antidiuretic Hormone (ADH) or using synthetic ADH (desmopressin) can be part of treatment, the key treatment focus is maintaining adequate hydration to counteract the effects of polyuria.
Correct Answer is D
Explanation
A. A pH of 7.50 is alkalotic, and the bicarbonate level is low, which is inconsistent with chronic kidney disease, where metabolic acidosis is more common.
B. The pH of 7.25 indicates acidosis, but the bicarbonate level is too low, and the PaCO2 is too low to be consistent with a typical acid-base imbalance in chronic kidney disease.
C. The pH of 7.55 is alkalotic, which does not fit the typical presentation of chronic kidney disease, which is associated with metabolic acidosis.
D. A pH of 7.30 indicates mild acidosis, and the bicarbonate level is within a normal range for compensatory mechanisms. The elevated PaCO2 of 50 mm Hg indicates respiratory compensation for metabolic acidosis, which is expected in chronic kidney disease, where the kidneys are unable to adequately excrete acid.
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