*Passive immunity______. Group of answer choices requires exposure to an antigen may be obtained by taking antibiotics results in the production of memory cells is the result of vaccination All of these are correct *Which of the following is not a characteristic of immediate hypersensitivity? Group of answer choices excessive inflammatory response activation by harmless antigens activation of basophils secretion of lymphokines

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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.