If the amount of solute excreted per minute is greater than the filtered load

If the amount of solute excreted per minute is

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65) If the amount of solute excreted per minute is greater than the filtered load, then the NET effect on the solute is ________. A) a combination of reabsorption and secretion in the renal tubulesB) an absence of secretion in the renal tubulesC) an absence of reabsorption in the renal tubulesD) secretion into the renal tubulesE) reabsorption from the renal tubulesAnswer: D Diff: 5 Page Ref: 525 66) Which of the following equations for determining clearance is correct? C Diff: 4 Page Ref: 526 14
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67) Which of the following equations for determining clearance is correct? B Diff: 4 Page Ref: 527 68) Calculate renal clearance of X given the following information: GFR = 100 mL/min, urine flow rate = 5 mL/min, plasma concentration of X = 10 mg/mL, urine concentration of X = 50 mg/mL. E Diff: 7 Page Ref: 527 69) Given that GFR is 125 mL/min and the clearance of substance Y is 200 mL/min, which of the following MUST be true of the renal handling of substance Y. A) Y is freely filterable.B) Y is reabsorbed.C) Y is secreted.D) Y is neither reabsorbed nor secreted.E) Y is not freely filtered.Answer: B Diff: 4 Page Ref: 528 70) The clearance of what substance provides the best estimate of glomerular filtration rate? C Diff: 4 Page Ref: 527 15
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71) The clearance of what substance provides the best estimate of renal blood flow rate? E Diff: 4 Page Ref: 528 72) The clearance of which of the following substances is normally zero? B Diff: 4 Page Ref: 528 73) If a substance is neither reabsorbed nor secreted, then its excretion rate is equal to the ________. A) glomerular filtration rateB) filtered loadC) glomerular filtration rateD) plasma concentration of the substanceE) renal thresholdAnswer: B Diff: 5 Page Ref: 528 74) What structure is formed by the thickening of the smooth muscle cell wall surrounding the bladder that regulates the flow of urine from the bladder. D Diff: 4 Page Ref: 530
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