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Na+/K+ Regulation

Influences on....

QuestionAnswer
How would an Increase in GFR affect Filtration Rate? LESS Ion REABSORPTION opportunity
How would less Ion reabsorption opportunity affect Filtration Rate? INCREASE Ion LOSS (excretion)
How would Decrease in GFR affect Filtration Rate? MORE Ion REABSORPTION
How would more Ion reabsorption opportunity affect Filtration Rate? LESS Ion excretion = Conserve
What are the 2 influences on Tubular Reabsorption? ANP, Aldosterone
Where is ANP secreted from? Heart
What does ANP respond to? HIGH Na+
What is the function of ANP? DECREASES active Na+ REABSORPTION --> INCREASE Na+ EXCRETION
Where is Aldosterone secreted from? Adrenal CORTEX
What are the function of Aldosterone on Tubular Reabsorption? ^ Na+ REABSORPTION --> DECREASE Na+ EXCRETION & ^ K+ SECRETION --> ^ K+ EXCRETION
Created by: Kristel