. s. The body has been invaded by a pathogen and has responded with a fever. Whi
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. s. The body has been invaded by a pathogen and has responded with a fever. Which of the way that a fever helps the body fight off an infection? a. Slows down the repair of tissues The liver and spleen store iron, which decreases the amount of iron in the blood. c. It stimulates bacterial growth d. Inhibits phagocytosis e. None of the above are examples of how a fever helps the body fight off an infection. The adaptive immune system requires cooperation between lymphocytes and antigen-presenting cells. Which of the following cells is considered an antigen-presenting celp 4. Macrophages a. b. Basophils Mast Cells c. d. e. X Cells All of the above can present antigens 5. Where is/are the antigen binding site/s on an immunoglobulin? a. There are no binding sites on immunoglobulins. b At the end of each arm of the Y shaped molecule (2 binding sites per molecule) c. In between the arms of the Y shaped molecule (1 binding site per molecule) d. On the long end of the Y shaped molecule (1 binding site per molecule) e. Binding sites are all over the molecule and there can be a dozen or more at any location on it. 6. What is true about the antigen binding sites on antibodies. tigen Binding sites are very specific and will bind to only one antigen. b. Antigen binding sites can bind to a wide range of antigens, each type of antibody can attack many different pathogens. c. Antigen binding sites will not work when an infection is in progress d. All of the above are true e. None of the above are true Which of the following members of the Neisseriaceae are considered non-pathogenic? a. Moraxella catarrhalis b. Moraxella pneumoniae c. Neisseria gonorrhoeae d. Neisseria meningitidis e. All of the above are actually pathogenic. 8. What is not trueabout innate immunity2 a. There is no lag phase, the immune response is immediate. b. This immune response has high specificity and is directed only to the agents or pathogens that initiated it. There is no memory with this immune response subsequent exposure to the pathogen or agent c. will illicit the same response. d. All of the above are actually true. e. None of the above are t Which of the below is true about T cells a. They were discovered by Lawrence Tureaud b. Are part of the Humoral Immune Response. c. CD markers help to identify the different T Cells. d. Are called T cells because they bring terror to e. Are called T cells because they produce immunoglobulin T
Explanation / Answer
4.a.macrophages
7.d.all of the above are actualy pathogenic.
8.a.there is no lag phase,the immune response is immediate,for which actually lag phase occurs in innate immunity.
9.b. tcells are part of humoral immune response.
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