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Tubular Reabsorption

Active Transport, Passive Transport

What molecule are transported via Active transport during Tubular Reabsorption? 1. Glucose; 2. Amino Acids; 3. Na+, K+, Ca++, HCO3-; 4. Water-Soluble Vitamins
What factor regulates the speed of Active Transport? Tm = Transport Maximum = carrier saturation
What is the result of overwhelmed carriers during Tubular Reabsortion? Glucose and Protein in Urine
What 2 factors can affec Active Transport? Hormones and some Drugs
What are the 2 methods of Passive Osmosis, Simple Diffusion
What stimulates Osmosis during Tubular Reabsorption? ^ concentration --> decrease concentration
What factor influences Osmosis? Tubular Permeability, Concentration Gradients
At what point during Tubular Reabsorption is Water transported? H2O follows Active Solute Reabsorption
What molecules are transported via Simple Diffusion? Urea, other NON-Polar Solutes follow water reabsorption
What factor may interfere with H2O reabsorption? anything that interferes with Solute Reabsorption interferes w/ H2O reabsorption
Why does Simpl Diffusion occur? when H2O leaves, Urea and NON-Polar solutes ^ in concentration --> Passive Diffusion --> reabsorption
Created by: Kristel