vallmo
Forum Junior
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An individual must excrete 800 mOsm of solute in a 24 hour period. What volume of urine is required if the individual can concentrate the urine to only 400 mOsm /kg H2O? What volume of urine is required if this individual can concentrate the urine to 1200 mOsm/kg H20?
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| Kazem
Forum Elite
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0.5 L and 1.5 L respectively
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| mani
Forum Guru
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2L n 0.66 L respectively
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| Kazem
Forum Elite
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mani could you please explain your ans?
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| mani
Forum Guru
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here is it for first case:
pt has to excrete 800mosm. if he excretes 1L of water he can excrete 400mosm. (given in stem). so to excrete 800mosm he has to produce 2 L of urine
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| Kazem
Forum Elite
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you'r right mani. I didn't read the Q well. Thank you 
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| VM
Forum Junior
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the mathematical part made sense.. but in the stem it said.. 400mmol/KG h20.. does that mean kg h20 equals i liter? can someone explain pls?
VM
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| mani
Forum Guru
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L and Kg for water r approx same, better to mention in mosm/L
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| VM
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thanks mani!
VM
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