Fluid compartments — division?
Intracellular and extracellular spaces
Total Body Water — percentage?
Approximately 60% of adult weight.
Electrolyte functions — role?
Regulate nerve, muscle, and fluid balance
ICF — main electrolytes?
Potassium and phosphate.
Regulation mechanisms — primary hormones?
ADH and aldosterone
ECF — main electrolytes?
Sodium and chloride.
Fluid shift — driven by?
Osmosis and diffusion.
Electrolytes — role?
Transmit nerve signals, muscle contraction.
Sodium — function?
Regulates fluid volume and blood pressure.
Potassium — importance?
Maintains cell function and heart rhythm.
Test your knowledge with 9 questions on Fluid and Electrolyte Balance Essentials.
1. What are fluid compartments in the context of body physiology?
2. What percentage of total body water (TBW) is typically found within cells (intracellular fluid) in adults?
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