Which of these leukocytes is incorrectly matched with its characteristic? A. eosinophils - cytotoxic cells may live only 6-12 hours B. basophils - have granules containing histamine and heparin C. neutrophils - most abundant white cell D. neutrophils - most difficult to identify E. eosinophils - numbers increase with allergies and parasites All of the following are characteristics of acquired immunity EXCEPT A. humoral immunity. B. nonspecific immunity. C. adaptive immunity. D. cell-mediated immunity. Which of the following are NOT antigen-presenting cells (APCs)? A. lymphocytes B. monocytes C. dendritic cells D. neutrophils E. macrophages
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Which of these leukocytes is incorrectly matched with its characteristic? Answer: D. neutrophils - most difficult to identify (This is incorrect as neutrophils are actually the easiest to identify due to their multi-lobed nucleus and granular cytoplasm.) Show more…
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Match the white blood cell with its function: A. lymphocyte - Makes antibodies; responsible for specific immunity B. neutrophil - Most numerous white blood cell; phagocytic C. monocyte - Large phagocytic cell that leaves the bloodstream and becomes macrophage D. eosinophil - Releases antihistamines and protects against some parasitic worms E. basophil - Releases histamine and heparin to cause inflammation
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Which of the following cells of the immune system do not perform phagocytosis? Macrophage Neutrophil Eosinophil Basophil How many types of antibodies are there? Five Three Two Four Interferons are Cytokine barriers Physical barriers Cellular barriers Physiological barriers The cytotoxic T cells recognize the antigen in association with Class I MHC determinants Class II MHC determinants Class III MHC determinants Class I and class II determinants A chemokine with indirect antiviral activity: TNF TGF INF Interleukines 10. The thymus independent type I antigens are Polysaccharide of bacterial origin. Small protein of bacterial origin. Bacterial nucleic acids. Viral nucleic acids.
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