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The ideal membrane should possess ___________ to water.(a) low permeability to water(b) high permeability to water(c) medium permeability to water(d) high permeability to wasteThis question was addressed to me in a national level competition.This interesting question is from Electrocardiography topic in portion Biomedical Recorders of Biomedical Instrumentation

Answer»

The correct answer is (b) high permeability to water

To explain I would SAY: The ideal membrane should possess high permeability to water, organic METABOLITES and ions, and the capability of retaining PLASMA proteins. The membrane should be of sufficient wet STRENGTH to resist tearing or bursting and non-toxic to blood and all BODY cells.



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