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Physiology

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Kidney

Question
16 out of 19
 

Transport maximum (Tm) means(LQ)



A Maximum reabsorption & secretion

B Maximum amount of glomerular filtration/min

C Substance cleared from plasma/mm

D Amount of toxic substances excreted/min

Ans. A Maximum reabsorption & secretion

Transport maximum - (Tm)

1. Definition for most substances that are actively reabsorbed or secreted, there is a limit to the rate at which the solute can be transported, often refered to as the transport maximum (Tm)

2. Tm for substances that are actively reabsorbed: -

a. Glucose 320 mg/min

b. Urate 15 mg/min

c. Lactate 75 mg/min

3. Tm for substance that are actively secreted: -

a. Creatinine 16 mg/min

b. PAHA 80 mg/min

Kidney Flashcard List

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