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Chronic renal failure may have no symptoms until the GFR falls below 15 ml/min.
True
Acute renal failure can only be caused by intrinsic damage to the kidney.
False
Post-renal acute renal failure may be due to cancer of the prostate or bladder.
True
In acute renal failure, the glomeruli filtration pressure is increased due to blockages.
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Irreversible CRF can always be prevented with early intervention.
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Serum creatinine is affected by diet, unlike urea.
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High blood urea level above 80 mg/dl indicates normal renal function.
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Low protein diets and dialysis can increase blood urea and serum creatinine levels.
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Creatinine clearance is a useful measurement of Glomerular Filtration Rate (GFR).
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Urea and creatinine clearances reflect the kidney's ability to filter blood per minute.
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Creatinine estimation is not useful for assessing the severity and progress of renal failure in certain conditions.
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The normal urea clearance is about 72 ml/min.
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A plasma urea lowered by high protein diets is indicative of diminished glomerular function.
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Cystatin C reflects glomerular filtration rate more accurately than creatinine.
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If CRF is not treated by dialysis or transplant, it will result in death.
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Oliguria is a biochemical change seen in chronic renal failure.
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A minimum level of creatinine clearance needed to maintain life without renal dialysis is 10 ml/min.
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Chronic renal failure can cause an increase in blood urea and plasma creatinine.
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The urine concentration test is used to assess renal concentrating ability.
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Metabolic alkalosis is common in chronic renal failure due to acid retention.
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The urine concentration test is contraindicated in cases of low plasma urea.
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Hypercalcemia is a common biochemical change in chronic renal failure.
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Chronic renal failure (CRF) can develop over a period of days.
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To determine Tm G, a glucose infusion is given to cause glucosurea.
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Tg = (GFR * Pg) - (Ug * V) in the context of glucose reabsorption.
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Acute renal failure (ARF) usually presents as a sudden improvement in renal function.
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In Tm G, all filtered glucose will be excreted in the urine.
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