Q. T-cells are activated by _______________

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Q. The dendritic cells were discovered by _______________

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Q. Each T-cell has a single species of T-cell receptor.

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Q. The activation of T-cell by the dendritic cells is associated with __________________

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Q. Proliferation of T-cells in response to antigen presentation is accompanied by enlargement of __________________

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Q. After the clearance of foreign antigen, the expanded T-cell population ________________

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Q. T-cells secrete antibodies for eradicating the infected cells.

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Q. Cytokines are ________________

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Q. Chemokines act as ___________________

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Q. Perforins and granzymes are secreted by ______________________

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Q. After entering the target cells, the granzymes activate the ______________________

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Q. Cytotoxic T cells are _____________

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Q. Helper T lymphocytes possess ____________ proteins on their surface.

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Q. Which of the following is the main target of HIV?

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Q. Which of the following is an essential requirement for the differentiation of regulatory T cells?

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Q. IgG is the predominant antibody in the secretion of respiratory tract.

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Q. In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.

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Q. Patients suffering from which of the following disease contain large quantities of a single type of antibodies?

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Q. Plasma cells are mainly found in the bone marrow.

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Q. The antigenic determinant is called _________________

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