SOME GENERAL PRINCIPLES ABOUT FLUID BALANCE

Question 1

What is the Cardinal principle of fluid balance?

Answer 1

Cardinal principle of fluid balance is: fluid balance can be maintained only if intake equals output

Question 2

What mechanisms are available to adjust output and intake to maintain fluid balance?

Answer 2

aldosterone mechanism, renin-angiotensin mechanism

Question 3

What are the most rapid fluid balance devices?

Answer 3

are mechanisms for controlling water movement between fluid compartments of the body; will maintain normal blood volume at the expense of interstitial fluid volume