If I have been exposed to an infectious microbe for the second time, which of the following antibodies will be release in the greatest amount? IgE IgA IgM IgG
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- The ability of some microbes, such as Trypanosoma or Giardia to alter their surface molecules and evade destruction by the host's antibodies is called: cytopathic effect lysogenic conversion antigenic variationAll of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.Which of the following is NOT a way that an antibody can destroy a bacterial cell? a. Agglutination b. Lysis via complement fixation c. Lysis via opsonization d. Direct lysis
- What is the process in which antibodies attach to antigens, causing the formation of masses of linked cells? agglutination coagulation hemolysis precipitationA patient with a _______ titer of antibodies to an infectious agentgenerally has greater protection than a patient with a _______ titer.a. high, low b. low, high c. negative, positive d. old, newif someone had dysfunctional plasma cells that were unstable to secrete immunoglobulins, what pathogen/s would they be most at risk from and why? Thank you!
- In the complement fixation test (CFT) , Once sRBC has been pipetted into the wells below, please indicate what would be your observation for each duplicate well: Give description of each answer with diagram as above 1) (+ve antibody only) 2) (Complement only) 3) (A/gen+complement) 4) (PBS only)In which of the following cases would treating a patient with an antiserum (purified antibodies) be more helpful than treating them with other drugs? Group of answer choices Purified antibodies would not be helpful in any of these cases If the person has a viral hepatitis infection If the person has eaten a poison produced by bacteria If the person has a fungal skin infectionWhat class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D c. IG-M d. IG-G
- When a patient goes from testing negative for a specific antibody to testing positive a month later for the same antibody, they may have a false negative immunocompetence seroconversionAntibodies designed to interact with a specific antigensite are (monoclonal, polyclonal).Which ONE of the following flow cytometry results is most likely in a patient with chronic lymphocytic leukaemia? A.Surface immunoglobulin+, CD5+, cyclin D1+ B.CD11c+, CD25+, CD103+ C.CD10+, CD20+, FMC7+ D.CD5+, CD19+, CD20+ (dim)
