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immune system!?

which of the following is necessary for immunity? a. fever above 105 b. formation fo memory cells c. swelliing of lymph nodes d. release of histamines i'm thinking its either c or d

Public Comments

1. http://en.wikipedia.org/wiki/Human_physiology
2. d a and c is being sick and b doesn't have to do with anything
3. a) Fever is a result of immunity b) Memory cells is the end of immunity or a result of immunity d) release of histamine is a result of immunity c is the answer. Antigens are presented through antigen presenting cells (APC) in the lymph nodes for T cells to recognize for immunity to occur. Lastly, this question is poorly worded. Immunity is anything that defends our bodies and all of them plays a part in it because our immunity comprises of many things. Whoever made this question was probably trying to ask what is necessary in order for ACTIVE immunity to occur.