A client with acute renal failure is at risk of developing hyperkalemia. What clinical manifestation is the most critical indicator of severe hyperkalemia in this client?
Muscle weakness and fatigue.
Tingling sensations in the extremities.
Irregular heart rhythm (dysrhythmiA. .
Excessive thirst and dry mucous membranes.
The Correct Answer is C
A. Incorrect. Muscle weakness and fatigue are manifestations of hyperkalemia, but they are not the most critical indicators of severe hyperkalemia.
B. Incorrect. Tingling sensations in the extremities are not the most critical indicator of severe hyperkalemia.
C. Correct. The most critical manifestation of severe hyperkalemia is an irregular heart rhythm (dysrhythmiA. , which can be life-threatening.
D. Incorrect. Excessive thirst and dry mucous membranes are not specific to hyperkalemia and are not the most critical indicators of severe hyperkalemia.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Incorrect. Elevated creatinine levels are not specific to dehydration and fluid deficit, although dehydration can contribute to prerenal acute renal failure.
B. Incorrect. Elevated creatinine levels do not suggest normal kidney function. Instead, they indicate impaired kidney function and acute kidney injury.
C. Correct. Creatinine is a waste product produced by muscles and excreted by the kidneys. Elevated creatinine levels are a reliable indicator of acute kidney injury and impaired kidney function.
D. Incorrect. Elevated creatinine levels can be seen in both acute and chronic kidney diseases, but they are not exclusively seen in chronic kidney disease.
Correct Answer is A
Explanation
A. Correct. Hypertension (high blood pressurE. is a significant risk factor for the development of acute renal failure. Elevated blood pressure can damage the blood vessels in the kidneys and impair kidney function.
B. Incorrect. Osteoporosis is not directly related to the development of acute renal failure. Osteoporosis is a condition characterized by weak and brittle bones.
C. Incorrect. While type 2 diabetes is a risk factor for chronic kidney disease, it is not a common risk factor for the development of acute renal failure.
D. Incorrect. Seasonal allergies are not associated with an increased risk of acute renal failure.
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