Kidneys

 

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RAA pathway

 

 

Think it through. Aldosterone turns on the Na+/K+ ATPase.

Does the ATPase raise or lower blood Potassium? Would you want to turn it on if blood Potassium was already low?

decrease

increase

 

 

 
Choose your answer from the links at the right. if you want to review the RAA pathway, use the link at the left to get there.