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Cards In This Set
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What are the primary components of the ECF?
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Interstial fluid and plasma
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What are the principal ions of the ECF?
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Calcium, potassium, sodium, magnesium
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What is the primary component of ICF?
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What are the principal ions of the ICF?
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Phosphate, chloride, and bicarbonate (proteins)
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Osmoreceptors in the hypothalamus monitor the osmatic concentration of the ECF and secrete what in response to higher osmotic concentrations.
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ADH
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What does calcium homeostasis primarily reflect?
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An interplay between reserves in the bone, the rate of absorption and the rate of excretion
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What is the most important factor affecting the pH of body tissues?
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The concentration of carbon dioxide
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Changes in the pH of body fluids are compensated by ...
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An increase in urine output
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Respiratory acidosis develops when the plasma pH is ...
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Decreased due to an elevated plasma pco2 level
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When does metabolic alkalosis occur?
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Bicarbonate ion concentrations become elevated
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What are four hormones that mediate major physiological adjustments that affect fluid and electrolyte balance?
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ADH, aldosterone, ANP, BNP
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What does drinkin a hypotonic solution cause the ECF to do?
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Increase in volume and become hypotonic with respect to the ICF
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The osmatic concentration of the ECF decreases if the individual gains water without a corresponding ...
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Gain of electrolytes
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When the pH of body fluids begins to fall, proteins will ...
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Bind a hydrogen at the amino group
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What happens if the pH rises in a protein buffer system?
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A hydrogen ion is released and a carboxyl ion is formed
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