POINT!
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With an increase/a decrease in the water reabsorption (from the tubule), the plasma osmolarity-decreasing effect of water reabsorption becomes stronger/weaker, and plasma osmolarity decreases/increases.

Challenge Quiz

1. With an increase a decrease in the water reabsorption (from the tubule), the plasma osmolarity decreases.
2. With an increase a decrease in the water reabsorption (from the tubule), the plasma osmolarity increases.