MI-1.4.2 Practice Flashcard

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What are subunit vaccines?

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Vaccines that introduce a small piece of the virus to the host to stimulate an immune response without using the live virus.

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What is a similar pathogen vaccine?

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A type of vaccine that injects a live but weakened version of a pathogen to elicit an immune response.

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How do vaccines help fight disease?

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They activate the immune system, prompting lymphocytes to produce antibodies and remember the disease for future exposure.

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What are memory cells?

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Specialized immune cells that rapidly produce antibodies upon re-exposure to a previously encountered infection.

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What is vaccination?

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The act of introducing a vaccine into the body to produce immunity to a specific disease.

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What is the role of lymphocytes in vaccination?

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Lymphocytes are white blood cells that respond to vaccines by producing antibodies and creating memory cells.

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What is the difference between vaccination and immunization?

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Vaccination is the act of administering a vaccine, while immunization is the process of becoming immune to a disease.

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What are inactivated vaccines?

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Vaccines made from viruses or bacteria that have been killed or inactivated so they cannot cause disease.

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What are mRNA vaccines?

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Vaccines that use messenger RNA to instruct cells to produce a protein that triggers an immune response.

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What is the purpose of antibodies?

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