1) What is a vaccine? a) A mixture containing microbes that will cause a disease but which has been treated.  b) When a larger portion of the population develops immunity c) An injection that will make the body develop anticorps to fight a disease d) A natural human defense 2) What is an example of passive immunity? a) When you are injected with anyicorps to fight a specific disease b) When you are injected with pathogens so that your body produces anticorps c) A mother breastfeeds a baby and passes anticorps on to the baby 3) What sort of defences does your body have to prevent pathogens from entering your body? a) Stomach acid b) Bronchi c) Hair d) Nipples e) Acne f) Ear wax 4) What is phagocytosis? a) b) c) 5) What is anti toxin production? a) b) c) 6) Why do adults that have had chicken pox as children not get it again?  a) Because they have herd immunity b) Because they have passive immunity c) Because they have active immunity

nathan

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