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Concerning Hyponatremia ( Has to do with membrane)

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Concerning Hyponatremia ( Has to do with membrane)

Postby Andrew858G » Sat Nov 21, 2009 12:28 am

Well first of all I'd like to say hey guys, my name is Andrew, and I'm new to these forums, but after finding this I'll sure be an active member!

Well I go to Rice University, and was confused at this question.

if not balanced by the intake of fluids such as
Gatorade, which contain dissolved solutes, these individuals may become ill and may even die
due to “water toxicity” (hyponatremia), of the blood. In terms of membrane transport discuss
what effect this condition has upon their blood and surrounding body cells.

I'm not sure how to answer or approach this question. I know that hyponatremia may cause osmotic shift of water from the plasma membrane onto the brain, but I need a detailed response. I've been searching this for a while now, and can't seem to grasp this subject. I understand the symptoms, causes, etc.. But I don't understand the effect on blood and surrounding body cells.

Please, if you can help me, it is much appreciated in advance!
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Postby JackBean » Sat Nov 21, 2009 2:17 am

Well, if will you drink too much water, your blood will be diluted and blood cell may be in hypotonic enviroment and what happens with blood cells in hypotonic enviroment?
http://www.biolib.cz/en/main/

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Re: Concerning Hyponatremia ( Has to do with membrane)

Postby Andrew858G » Sat Nov 21, 2009 3:46 am

The blood cell crenates correct? But then once it crenates what happens?
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Postby JackBean » Sat Nov 21, 2009 10:36 am

Not sure, what to understand under crenates, but basically it takes water and takes water... and what happens to animal cells taking too much water?
http://www.biolib.cz/en/main/

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Postby Andrew858G » Sat Nov 21, 2009 11:59 pm

They lyse or burst.

but that doesnt answer the question:

Individuals participating in long endurance sport events, such as a marathon, are encouraged to
drink large amounts of water. However , if not balanced by the intake of fluids such as
Gatorade, which contain dissolved solutes, these individuals may become ill and may even die
due to “water toxicity” (hyponatremia), of the blood. In terms of membrane transport discuss
what effect this condition has upon their blood and surrounding body cells
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Postby canalon » Sun Nov 22, 2009 4:38 am

The first thing you have to answer is:
They lose water but they replace it. But doing s they also need to add electrolytes. Why?
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any proof. (Ashley Montague)
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Re: Concerning Hyponatremia ( Has to do with membrane)

Postby Andrew858G » Sun Nov 22, 2009 3:51 pm

Thats the part Im lost on ..
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Postby canalon » Sun Nov 22, 2009 6:50 pm

How do they lose water?
What is this made of?
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Re: Concerning Hyponatremia ( Has to do with membrane)

Postby Andrew858G » Sun Nov 22, 2009 7:15 pm

How do the cells lose water or the water in general? The water is lost through diffusion from high to low concentration, making your cells have to much water causing them to burst or lyse?

the answer should focus on the effect the situation has on blood and surrounding body cells.
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Postby canalon » Mon Nov 23, 2009 2:28 am

You are too focused on the cell level for the moment. Start looking at the basic level of observation.
The loss of water during exercise happens at the cellular level, but because of a more general cause (although admittedly, some cells are involved at this stage too). If you are still wondering I suggest you go run 5 miles in full sun and look at your T-Shirt... You could even taste it (or look at the composition on the internet or your textbook).
Because the water lost that way will come from somewher, i.e. your blood. And all the remaining ingredients too. That is where you can try to figure out what is happening at the cellular level.
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Re: Concerning Hyponatremia ( Has to do with membrane)

Postby Andrew858G » Tue Nov 24, 2009 11:05 pm

Sadly, it took three days to get a very minimum help or guidance, but I got the answer, thanks guys..
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Postby canalon » Wed Nov 25, 2009 1:33 am

It took you 3 days to realize that sweat is salty and now you complain about lack of guidance?
You had plenty of guidance, I just asked you to think about your answers, obviously the problem is not on the forum side... But we expect people to come here to get help, not get spoon fed answers.
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