After suffering a fall while hiking, you find yourself immobile and severely dehydrated. Should you drink...

After suffering a fall while hiking, you find yourself immobile and severely dehydrated. Should you drink your own urine as a means of improving your survival? Explain the effect of urine on your cells in terms of tonicity. How will dehydration influence the concentration of your urine?

Expert Solution

No.

Drinking urine will not help to increase the chance of survival. There are reasons I must say

Urine is essentially like seawater (urine is composed of 95% water 5 % mix of NaCl and ammonia. seawater is composed of 96.5% water and 3.5% NaCl ). Are you going to dring sea water when you are dehydrated? No, if we do so it will actually worsen the situation ie, it will dehydrate our body more
If you drink you will get more dehydrated and your blood pressure will drop leads to serious complication and even death can happen
Do you know that Urea in Urine is harmful? We are getting urea inside us when we drink urine and in order to filter that out, the kidney will be stressed.
Apart from all of these, urine contains a lot of bacteria which is dangerous to enter our body. If we drink it the things will not be easy

If we drink urine, the cells will shrink due to the increased ion concentration outside of the cell. Cells will be hypotonic.

When there is dehydration ie, low amount of water inside the body, there will be very concentrated urine that a body posses.

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gladiator answered 1 year ago

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