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When replacement saline solutions are administered they are often at a 0.9% concentration. Why?

April 26, 2017administered concentration Mathematics Medicine replacement saline solutions

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When replacement saline solutions are administered they are often at a 0.9% concentration. Why?

1 Answer

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0.9% saline is very close the the approximately 300 mOsm osmolarity of the blood, so it can increase the blood volume without altering the intracellular osmolarity and volume.