Which of the following is the primary mechanism by which the kidneys regulate extracellular fluid volume?
Understand the Problem
The question asks us to identify the principal way kidneys maintain the volume of fluid outside cells in the body by adjusting the excretion of sodium ions, which affects water balance.
Answer
The kidneys regulate extracellular fluid volume by altering sodium excretion.
The kidneys regulate extracellular fluid volume primarily by altering sodium excretion. This process is crucial for maintaining adequate volume within the vascular system and overall fluid balance in the body.
Answer for screen readers
The kidneys regulate extracellular fluid volume primarily by altering sodium excretion. This process is crucial for maintaining adequate volume within the vascular system and overall fluid balance in the body.
More Information
The regulation of extracellular fluid volume by the kidneys is vital for maintaining blood pressure and overall homeostasis. The renin-angiotensin-aldosterone system (RAAS) plays a significant role in this process.
Sources
- INTAKE AND RENAL EXCRETION OF SODIUM The ability of the kidneys to regulate extracellular fluid volume by altering sodium excretion is impor- tant for maintaining adequate volume within the vascular system. - journals.physiology.org
- Regulation of Renal Function and Blood Pressure Control by P2 ... - pmc.ncbi.nlm.nih.gov
- Mechanisms which maintain extracellular fluid volume - derangedphysiology.com
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