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Overview and Calculations – Renal Glucose Transport and Reabsorption

by Carlo Raj, MD
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    About the Lecture

    The lecture Overview and Calculations – Renal Glucose Transport and Reabsorption by Carlo Raj, MD is from the course Renal Diagnostics.


    Included Quiz Questions

    1. making it the most susceptible to ischemia Proximal Convoluted tubule
    2. Descending loop of henle
    3. Thin ascending loop of henle
    4. Thick ascending loop of Henle
    5. Distal convoluted tubule
    1. (GFR) x (plasma concentration of substance)
    2. (urine concentration) x (urine flow rate) / (plasma concentration)
    3. (renal plasma flow) / (urine concentration) x (flow rate)
    4. (plasma concentration of substance) x (renal plasma flow)
    5. (Urine concentration) x (GFR)
    1. Plasma concentration exceeds the renal threshold for reabsorption.
    2. It is secreted into the lumen after reaching the threshold.
    3. More than one correct answer.
    4. Complete saturation of the GLUT transporters on the basolateral membrane.
    5. Blockage of GLUT transporters on the basolateral membrane.
    1. Reabsorbed and not secreted.
    2. Once transport maximum has been reached.
    3. Filtered load is always greater than excretion.
    4. Freely filtered, neither secreted nor reabsorbed.
    5. Secreted and not reabsorbed.
    1. When all the transporters are saturated.
    2. When glucose if first seen in the urine.
    3. The first instance that a substance appears in the urine.
    4. The number at which facilitated diffusion become necessary.
    5. The maximum number of transporters on the membrane.
    1. Glucose clearance = GFR
    2. Glucose clearance < GFR
    3. Glucose clearance > GFR
    4. Plasma glucose concentration x glucose clearance = GFR
    5. Urine glucose concentration x glucose clearance = GFR
    1. It is reabsorbed at low concentrations.
    2. At low concentrations it approximates renal plasma flow.
    3. At high concentrations it approximates GFR.
    4. It is fully secreted at low concentrations.
    5. It is freely filtered.
    1. Filtered load > excretion rate.
    2. Filtered load = excretion rate.
    3. Not enough information.
    4. It depends on the renal threshold level of glucose.
    5. Filtered load < excretion rate.
    1. …renal threshold.
    2. …fractional excretion.
    3. …filtration fraction.
    4. …filtered load.
    5. …transport maximum.
    1. It refers to the difference between the renal threshold and the Tmax.
    2. It represents the excretion of a substance once Tmax has been reached.
    3. It is the maximum amount of transporters being saturated
    4. It is the earliest signs of glucose in the urine.
    5. It explains the variations in glycosuria between patients.

    Author of lecture Overview and Calculations – Renal Glucose Transport and Reabsorption

     Carlo Raj, MD

    Carlo Raj, MD


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