Why does exposure to chickenpox virus confers lifetime immunity? helper T cells do not activate B cells all through life with one exposure B cells produce antibodies that last lifelong antibodies are conferred the power to secret B cells memory cells produced with this exposure survive lifelong memory cells with the virus do not exist after few years

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.