MI 1.1 Review

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What is ELISA?

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A quantitative diagnostic test for an antibody or antigen where the test material is absorbed on a surface and exposed to an enzyme-linked antibody or anti-immunoglobulin, followed by a reaction with a substrate to yield a colored product.

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What does ELISA stand for?

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Enzyme linked immunosorbent Assay.

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What is a solvent?

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A substance, usually a liquid, capable of dissolving another substance.

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What is a solution?

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A homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these.

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What is the purpose of ELISA in medical diagnostics?

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To diagnose the presence of antigens or antibodies in a sample, such as for detecting infections like meningitis.

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What is a solute?

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A substance that is dissolved in a solvent to form a solution.

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What is the role of antibodies in the immune system?

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Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

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What is the difference between an antigen and an antibody?

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An antigen is a substance that induces an immune response, while an antibody is a protein produced by the immune system to neutralize or destroy antigens.

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What is the significance of enzyme-linked antibodies in ELISA?

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They allow for the detection of specific antigens or antibodies through a color change reaction, indicating the presence and concentration of the target substance.

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What is the process of culturing in microbiology?

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Culturing involves growing microorganisms in a controlled environment to study their characteristics or to diagnose infections.