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*Edit: This question has been answered, for anyone else looking for an answer: dietary sodium is very different from filtered. We reabsorb almost all that we filter, but get rid of 95% of our sodium intake.*
BRS physiology and FA (2012) say that almost all filtered sodium is reabsorbed in the kidneys. There was a question in the Kaplan q-bank about a woman who consumes a boat load of sodium and asks for an estimate of her sodium excretion rate, if she hasn't been experiencing any weight gain. In the explanation to the question, it states that 95% of dietary sodium is excreted.
But FA and BRS both say that we reabsorb almost all filtered sodium....so I'm really confused...which is it?
BRS physiology and FA (2012) say that almost all filtered sodium is reabsorbed in the kidneys. There was a question in the Kaplan q-bank about a woman who consumes a boat load of sodium and asks for an estimate of her sodium excretion rate, if she hasn't been experiencing any weight gain. In the explanation to the question, it states that 95% of dietary sodium is excreted.
But FA and BRS both say that we reabsorb almost all filtered sodium....so I'm really confused...which is it?
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