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Fluid, Electrolyte and Acid- Base Homeostasis Chapter 27

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Fluid, Electrolyte and Acid-Base Homeostasis. Chapter 27. Fluid Compartments. Water Gain and Loss. Dehydration and Thirst. Na + and Cl - Reabsorption. Body Water Balance. Water Intoxication. Electrolytes in Body Fluids. - PowerPoint PPT Presentation

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Page 1: Fluid, Electrolyte and Acid-Base Homeostasis

Fluid, Electrolyte and

Acid-Base Homeostasis

Chapter 27

Page 2: Fluid, Electrolyte and Acid-Base Homeostasis

Fluid Compartments

Page 3: Fluid, Electrolyte and Acid-Base Homeostasis

Water Gain and Loss

Page 4: Fluid, Electrolyte and Acid-Base Homeostasis

Dehydration and Thirst

Page 5: Fluid, Electrolyte and Acid-Base Homeostasis

Na+ and Cl- Reabsorption

Page 6: Fluid, Electrolyte and Acid-Base Homeostasis

Body Water Balance

Page 7: Fluid, Electrolyte and Acid-Base Homeostasis

Water Intoxication

Page 8: Fluid, Electrolyte and Acid-Base Homeostasis

Electrolytes in Body Fluids

osmolarity -the total concentration of all solute particles in a solution

osmolality - the number of solute particles dissolved in one liter of water and is reflected in the solution’s ability to cause osmosis

Electrolyte concentrations of body fluids are usually expressed in milliequivalents per liter (mEq/L) = number of electrical charges in 1 liter of solution

Page 9: Fluid, Electrolyte and Acid-Base Homeostasis

Electrolyte and Protein Concentration

Page 10: Fluid, Electrolyte and Acid-Base Homeostasis

Blood Electrolyte

Imbalances

Page 11: Fluid, Electrolyte and Acid-Base Homeostasis

Regulation of pH

Page 12: Fluid, Electrolyte and Acid-Base Homeostasis

Regulation of pH

Page 13: Fluid, Electrolyte and Acid-Base Homeostasis

Secretion of H+

Page 14: Fluid, Electrolyte and Acid-Base Homeostasis

Acid-Base Imbalances

• Acidosis---blood pH below 7.35

• Alkalosis---blood pH above 7.45

• Compensation is an attempt to correct the problem– respiratory compensation– renal compensation

• Acidosis causes depression of CNS---coma

• Alkalosis causes excitability of nervous tissue---spasms, convulsions & death

Page 15: Fluid, Electrolyte and Acid-Base Homeostasis

Abnormalities of Acid-Base Balance


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