Cells infected with intracellular pathogens display antigens on what cell ay ant

Question

Cells infected with intracellular pathogens display antigens on what cell ay antigens on what cell-surface molecule of infected cells? A) Major Histocompatability Complex Class I B) Major Histocompatability Complex Class II C) Major Histocompatability Complex Class III D) None of the above Can macrophages phagocytize intracellular pathogens? A) Yes and they become APCs B) No C) Yes and they become plasma cells D) None of the above are called: Helper T cells that secrete interleukin 2 to activate cell-mediated immunity A) T_H1 B) T_H2 C) MHC I D) CD95 Which type of lymphocyte are the active killer cells in cell-mediated immunity? A. suppressor T cell B. helper T cell C. cytotoxic T cell D. memory T cell Cell-mediated immunity involves which of the following pathways to destroy altered host cells? A. CD95 pathway B. Perforin-granzyme pathway C. Complement cascade D. More than 1 of the above Cytotoxic T cells can release what substance that signals altered

Explanation / Answer

65)answer is a that is mhc complex 1 because it typically invilves endogenous pathway of antigen processing

67)answer is a th1 prodeced il2

68)answer is c that is cytotoxic t cell its a type of t lymphocyte a type of wbc.

69)answer is b perforin granzyme pathway its a cell death pathway involves apoptosis of infected cells

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