9. Describe the role of transporter proteins with regard to nutrient movement.

10. Describe ion movement through or between the cell membranes into the interstitial fluid.

1. a. What determines the direction of water movement?

b. Why does increased water reabsorption affect ion and urea movement? Reabsorption

2. Identify reabsorption locations along the nephron.

3. Describe reabsorption at the proximal convoluted tubule.
4. a. Describe how the sodium gradient determines reabsorption.

b. How is this gradient maintained?

5 Describe reabsorption of glucose, amino acids, and vitamins.

6. Describe forces that facilitate reabsorption of bicarbonate (HCO3-)

7. Describe how sodium ion concentrations affect movement of other ions and nitrogenous wastes.

8. How does the ion and nitrogenous waste concentrations affect water movement?

9. a. Describe reabsorption along the descending limb of the loop of Henle.

b. Describe reabsorption along the ascending limb of the loop of Henle.

10. Describe reabsorption along the distal convoluted tubule.

11. Describe reabsorption via sodium/potassium pump activity along the collecting duct. Include hormonal influences in your description.