NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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B cells
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neutrophils
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natural killer cells
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macrophages
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Detailed explanation-1: -The humoral immune response is mediated by antibody molecules that are secreted by plasma cells.
Detailed explanation-2: -B cells create antibodies. These antibodies bind to pathogens or to foreign substances, such as toxins, to neutralize them. For example, an antibody can bind to a virus, which prevents it from entering a normal cell and causing infection. B cells can also recruit other cells to help destroy an infected cell.
Detailed explanation-3: -TH2 cells initiate the humoral immune response by activating naive antigen-specific B cells to produce IgM antibodies. These TH2 cells can subsequently stimulate the production of different isotypes, including IgA and IgE, as well as neutralizing and/or weakly opsonizing subtypes of IgG.