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An individual is stung on her shoulder by a bee. A variety of chemical mediators are released, making capillaries in her shoulder more “leaky” or permeable, to plasma proteins, etc. Fluid and proteins leak into the interstitial spaces and her shoulder becomes red and swollen. Describe the changes (increase, decrease, or no change) in her total body water, intracellular fluid, extracelluar fluid, plasma, and interstitial fluid levels that take place immediately following the bee sting.
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In the events immediately taking place after the bee sting there is a movement of fluid from in the cells (intracellular fluid) to her interstitial space (extracellular fluid). With the concentration of proteins leaving, there is going to be a substantial fluid and plasma flow out of the capillaries.
These movements can be summarized as so.
Total body water: No change. (the bee sting did not add water to the body)
Intracellular fluid: decrease (the intracellular fluid will flow into the ‘interstitial space’)
Extracellular fluid: increase (the intracellular fluid moves out of cells and into the extracellular space)
plasma: increase (a immunosuppressant response to the bee sting)
Interstitial fluid: increase
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