NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cell-mediated immunity is a type of acquired immunity. This is the immunity one develops throughout life. Which of the following types of cells are mostly involved in cell-mediated immunity?
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T cells
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B cells
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erythrocytes
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neutrophils
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Explanation:
Detailed explanation-1: -Cell-mediated immunity is directed primarily at microbes that survive in phagocytes as well as those that infect non-phagocytic cells.
Detailed explanation-2: -Acquired immunity includes both humoral immunity, as well as cell-mediated immunity.
Detailed explanation-3: -Cell-mediated immunity is largely based on the function of T-helper (Th) lymphocytes. These lymphocytes (CD4+; T-helper cells) mediate proliferation and differentiation of various immune-competent cells via their release of various cytokines (e.g., IL-2, IL-4, IL-5, IL-6).
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