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AAB Immunology Questions and Answers Graded A+
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Exam of 12 pages for the course AAB MT at AAB MT (AAB Immunology)
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AAB ImmunologyWhich one of the following is not external defense mechanism of natural immunity that
provides the human body with a defense against invading microorganisms? -
answerbursa of Fabricius
Having an elevated temperature during an infection is an example of what type of
immunity? - answerinnate immunity
Which defense mechanism involves engulfing foreign particles? - answerphagocytosis
WHich one plays an important role in making bacteria susceptible to osmotic lysis? -
answerlysozymes
Responsible for the nonspecific killing of tumor cells? - answernatural killer cells
Capable of eliciting an immune response? - answerimmunogen
Receiving a vaccination is an example of which type of immunity? - answerartificial
active immunity
Which immune response is mediated by antibodies? - answerhumoral immunity
Which one of the following is considered to be primary lymphoid organ? - answerthymus
WHich orga or systems are capable of responding to circulating antigens with the
production of specific lymphocytes and plasma cells? - answerlymph nodes and spleen
Where are B lymphocytes and T lymphocytes produced? - answerbone marrow
Cells that are thymus-dependent? - answerT cells
Where does the differentiation of T cells occur? - answerthymus
T cells are involved with which of the following? - answercell-mediated immunity
How can cell-mediated immunity be transferred to a normal individual? - answerwith
lymphoid cells from hypersensitive individual
what is the main function of t-helper cells? - answerAssist B cells in producing antibody
, the production of antibodies is turned off by which cells? - answersuppressor T cells
What are small polypeptides given off by T cells, which regulate the function of
phagocytic cells called? - answerlymphokines
Which T cell acts specifically to kill tumor cells and virally infected cells? -
answercytotoxic T cells
Surface markers for T cells? - answerCD2, CD4, CD8
Lymphoid stem cells that differentiate in the bone marrow are called what? - answerB
cells
What is associated with the humoral immune response? - answerPlasma cells
Which cells are identified by the presence of surface immunoglobulin receptor? -
answerB cells
Which B lymphocytes transform into cells that produce antibody molecules? -
answerplasma cells
Which white blood cells migrate to the tissue and become macrophages? -
answermonocytes
Cells that ingest and destroy bacteria, damaged host cells, and tumor cells? -
answermacrophages
What is the main function of polymorphonuclear white blood cells? -
answerphagocytosis
What is the major histocompatibility complex? - answerthe gene that control expression
of the HLA antigens
The major histocompatibility complex is important in all of the following except which
one? - answeracute hemolytic transfusion reaction
Which one of the follwing is not a class I gene product? - answerHLA-DR
All of the following are class II gene product except which one? - answerHLA-DD
Which term describes a macromolecule that is capable of eliciting formation of
immunoglobulins? - answerantigen
Substance that is the most potent antigen? - answerproteins
What are the reactive sites on an antigen known as? - answerdeterminants
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