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About this Episode
To learn more about this topic, start your googling with these keywords:
Early Pregnancy Test: A simple lateral flow assay that tests for the presence of a particular hormone in urine.
Lateral Flow Assay: Simple tests in which a liquid sample is run along the surface of a pad using capillary action and colored antibodies to show a visual positive or negative result.
Capillary Action: The movement of water-based liquids within small tubes due to the forces of cohesion, adhesion, and surface tension.
Antibody: A blood protein produced by the immune system in response to a particular antigen.
Antigen: A foreign substance which produces an immune response within the body.
False positive: A result produced that falsely indicates a particular antigen is present.
False negative: A result produced that falsely indicates that a particular antigen is absent.
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