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Membrane Permeability and passive movement

1) Would the passive movements of substances occur if the interstitial solute concentration was the same as the filtrate solute concentration?

2) Matching:

1.) Causes production of dilute urine
2.) results in increased sodium loss.
3.) Causes the body to retain more Potassium.
4.) Will cause water retention due to sodium movement
5.) Causes water reabsorption due to increased membrane permeability
6.) Increase sodium reabsorption.

Here are the choices to chose the answers from:

A. increases ADH
B.) Increased aldosterone
C.) Decreased ADH
D.) Decreased Aldosterone

Solution Preview

1) Passive movement of substances can only work when there is a concentration gradient, meaning that there is an area of high concentration and an area of low concentration. When a concentration gradient is present for a specific substance, molecules of that substance move down the concentration gradient via passive movement (diffusion) until evenly distributed in both areas (at equilibrium). At this point there would be no net ...

Solution Summary

In this solution I answer questions related to passive movement (diffusion) or liquid across a membrane in the human body and questions related to aldosterone's and antidiuretic hormone (ADH)'s effects.