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Harr - ISBBFrom the following, identify a specific component of the adaptive immune system that is formed in response to antigenic stimulation: A. Lysozyme B. Complement C. Commensal organisms D. Immunoglobulin D. Immunoglobulin is a specific part of the adaptive immune system and is formed only in response to a specific antigenic stimulation. Complement, lysozyme, and commensal organisms all act nonspecifically as a part of the adaptive immune system. These three components do not require ...

ISBB QuestionsMHC are genes located in short arm of chromosome 6 In adaptive immunity, what cell recognizes processed peptide/antigen in conjunction with HLA-I molecules? Class I MHC molecules A. peptides synthesized de novo from endogenous antigens B. peptides from soluble or particulate antigen (exogenous) C. Either D. Neither CREST Syndrome includes Esophageal dysmotility Deficiency of which of the ff complement components can lead to recurrent infections wi...

CPAP ISBB1. The production of antibodies by B cells is turned off by a. Cytotoxic T cells b. Helper T cells c. B lymphocytes d. Suppressor T cells d. Suppressor T cells 2. Which of the following cells recognize certain substances as "foreign" (nonself)? a. B lymphocytes b. T lymphocytes c. Macrophages d. Basophil a. B lymphocytes 3. One dimensional single electroimmunodiffusion is also known as a. Immunoelectrophoresis b. Counterimmunoelectrophoresis c. Radioimmunoas...

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PIONEER ISBBCross-reactivity A phenomenon that occurs when an antibody reacts with antigen that is structurally similar to the original antigen that induced antibody production Karl Landsteiner This person Immunized rabbits with haptens attached to a carrier molecule and then tested the serum to measure how the antibodies produced reacted with different haptens Ability of the individual to resist infection by means of normally present body functions Characteristic of natural imm...

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ISBB questions.Upon adding the indicator system in a T. pallidum complement fixation test, hemolysis was observed. This indicates Negative reaction, T. pallidum antibody absent A patient being positive for the Vi antigen in Widal test means: 1. Patient is also positive for envelope antigen 2. Patient is carrier of S. typhi 3. Patient is positive for the somatic antigen 4. Patient has an active typhoid fever Patient is also positive for envelope antigen and a carrier of The f...