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What are 3 possible causes of false positive reactions with presumptive screening test for blood?
Wiki User
∙ 9y ago
Apply a solution of the chromogen to a sample of the suspected material/stain followed by addition of the oxidizing agent. a rapidly developing color constitutes a positive test; used to determine if blood is present.
Jenoel Fabro
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What are possible causes of false positive reactions with presumptive screening for tests of blood?
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If one parent is A positive and the other is O positive what possible blood types?
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