Compared to an RBC with intracellular osmolarity and tonicity of 280 mOsm, an extracellular solution of 100 mM NaCl and 1M Urea is :(assume perfect dissociation of NaCl)

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Hypo-osmotic and Hypo-tonic, and will cause lysis of RBCs

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Hyper-osmotic and Hypo-tonic, and will cause lysis of RBCs

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Iso-osmotic and Iso-tonic, and will have no effect on RBC volume

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Iso-osmotic and Hypo-tonic, and will cause lysis of RBCs

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Hyper-osmotic and Hypo-tonic, and will cause crenation of RBCs

Crowdly

Compared to an RBC with intracellular osmolarity and tonicity of 280 mOsm, an ex...

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