A: neutrophils
B: macrophages
C: dendritic cells
D: NK cells
举一反三
- Pus formation largely results from the accumulation of the remains of dead and dying <br/>________. A: neutrophils B: macrophages C: epithelial cells D: sentinel dendritic cells E: red blood cells and platelets
- Indicate which of the following cells is the most active in phagocytosis: () A: Neutrophils B: Basophils C: Eosinophils D: Mast cells E: Erythrocytes
- Which of the following is least likely to be associated with an increase in the inflammatory <br/>response? A: necrosis of cells, followed by phagocytosis of neutrophils B: release of peptides curing cleavage of fibrinogen to fibrin (blood clotting) C: cleavage of C5 during complement activation D: apoptosis of surplus healthy cells E: secretion of IFNγ by macrophages and TH cells
- Phagocytosis is the process by which a cell, such as a white blood cell, ingests microorganisms, other cells, and foreign particles._____
- Which of the following cells constitutively express MHC class II molecules? ( ) A: macrophage B: dendritic cell C: Langerhans cell D: B cell E: thymic epithelial cell
内容
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Which of the following would NOT be a function of MHC I? A: display peptides derived from turnover of a cell’s own proteins B: down-regulate the activity of NK cells C: in cross presentation, display pathogenic peptides acquired by phagocytosis D: signal that a red blood cell is old and should be removed and recycled E: bind CD8 when the cell interacts with a Tc cell
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which cell can only exit in small intestine: A: endocrine cells B: stem cells C: goblet cells D: Paneth cells E: absorptive cells
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Which of the following immune cells are mainly distributed on the epidermis: A: lymphocyte B: mast cell C: endothelial cells D: langerhans cells
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Compared with normal mice, mice immunized with antigens for many times have the larger and heavier spleens because of ( ). A: proliferation of antigen specific T cells B: proliferation of antigen specific B cells C: proliferation of antigen specific T and B cells D: proliferation of antigen non-specific T and B cells
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Which of the following is a germ cell? A: cells of the gonads B: intestinal cells C: sperm and eggs D: zygotes