BIO 425 FINAL EXAM DATE: NAME TSY3 2018 1. Which of the following is not a compo

Question

BIO 425 FINAL EXAM DATE: NAME TSY3 2018 1. Which of the following is not a component of the immune system? A. bone marrow B. spleen and lymph nodes C. skin D. thyroid E. they are all components of the immune system 2. A substance, usually a protein, that stimulates the immune system to produce antibodies A antibiotic B. antigen C. histamine D. mast cell E. interferon 3. Have bilobed nuclei, granules which stain red, and are important in fighting parasites A. eosinophils B. basophils C. complement D. neutrophils 4. We are born with the ability to produce sweat, eliminate feces, produce tears, and we have intestinal flora (harmless bacteria) in our gut. These are all components of A. passive immunity B. innate immunity C. adaptive immunity D. antibody-mediated immunity E. cytotoxic T Cells 5. Which of the following cells are involved in innate immunity but not adaptive immunity? A. helper T cells B. cytotoxic T cells C. natural killer cells D. plasma cells

Explanation / Answer

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1)B thyroid. This is not a part of the immune system. The rest are

2)B antigen .These are normally proteins from microbes or foreign bodies or organs and in some cases parts of our own bodies which trigger an immune reaction

3)A eosinophils

4)B innate immunity. It is the type of immunity that is naturally present and does not require activation or stimulation by the presence of any antigens

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