If drinking salt water further dehydrates the body, why is saline used to treated dehydration?

Question

If drinking salt water further dehydrates the body, why is saline used to treated dehydration?

In: 63

Answer 1

Sea water is waaaaaaay salter than saline. We need enough salt(electrolytes) to be able to conduct bio-electrical signals, but too much salt causes water to be sucked out of our cells, as it equalizes the salinity across the water content of our body.