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role of Imacrophages in the immane response includes all of the following functi

ID: 252994 • Letter: R

Question

role of Imacrophages in the immane response includes all of the following functicns encept A. antigen engulfmen B. production of interleukin-1 (L-1) C. production of IL-2 D. production of endogenous pyrogen E. presentation of antigen in the context of class Il histncompakibiliny amigens 97. A typical IgG antibody molecule has all of the Following characteritics excepx A. it consists of at least two identical heavy and two identical light chains B. it has two antigen-binding sites C. it has specificity for only one antigen D. it is a glycosylated molecule E. it has two constant domains on each of the heavy chains 98. The T-cell antigen receptor is associated with which of the following characteristics? A. It is a monomeric immunoglobulin M B. It requires free antigen for triggering C. It is associated with CD4 or CD8 D. It is nonspecific 99. Which of the following cells is capable of attacking a certain tumor cell spontancously G without prior sensitization)? A. monocyte-macrophage B. CD8 cell C. mature B cell D. Natural killer (NK) cell E. Null (k) cell

Explanation / Answer

96. C. production of IL-2

97. E. it has two constant domains on each of the heavy chain.

98. C. it is associated with CD4 or CD8.

99. D. Natural killer (NK) cell.