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Transport maximum (Tm) – limited reabsorption of a substance implies that its

safaTerkawi
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2022-08-11
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Transport maximum (Tm) – limited reabsorption of a substance implies that its.

  1. Reabsorption is active.
  2. Reabsorption is critically related to tubular transit time.
  3. Reabsorption is complete below a certain threshold load.
  4. Renal clearance falls with its plasma concentration.
  5. Excretion rate is zero until its Tm value is reached.
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safaTerkawi
2022-08-11
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A. True Tm limited reabsorption is one type of active tubular reabsorption.

B. False This applies to the other type of active tubular reabsorption, gradient-time limited reabsorption.

C. True As with glucose.

D. False Clearance is zero at all levels below the threshold.

E. True The concept applies also to amino acids and proteins.

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