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AAB MT IMMUNOLOGY EXAM WITH COMPLETE QUESTIONS AND ACCURATE ANSWERS
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AAB MT IMMUNOLOGY WITH COMPLETE QUESTIONS AND ACCURATE ANSWERS
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AAB MT IMMUNOLOGY WITH COMPLETEQUESTIONS AND ACCURATE ANSWERS
All of the following are external defense mechanisms of natural
immunity that provides the human body with a defense against
invading microorganisms Correct Answer Skin, mucus, and body
fluids
Having an elevated temperature during an infection is an example
of what type of immunity? Correct Answer Innate immunity
Which defense mechanism involves engulfing foreign particles?
Correct Answer Phagocytosis
Which one plays an important role in making bacteria susceptible
to osmotic lysis? Correct Answer Lysozymes
Which one of the following is responsible for the nonspecific killing
of tumor cells? Correct Answer Natural killer cells
Which one of the following is capable of eliciting an immune
response? Correct Answer Immunogen
Receiving a vaccination is an example of which type of immunity?
Correct Answer Artificial active immunity
Which immune response is mediated by antibiotics? Correct
Answer Humoral immunity
Which one of the following is considered to be a primary lymphoid
organ? Correct Answer Thymus
,Which organs or systems are capable of responding to circulating
antigens with the production of specific lymphocytes and plasma
cells? Correct Answer Lymph nodes and spleen
Where are B lymphocytes and T lymphocytes produced? Correct
Answer Bone marrow
Which of the following cells are thymus-dependent? Correct
Answer T cells
Where does the differentiation of T cells occur? Correct Answer
Thymus
T cells are involved with which of the following? Correct Answer
Cell-mediated immunity
How can cell-mediated immunity be transferred to a normal
individual? Correct Answer With lymphoid cells from a
hypersensitive person
What is the main function of T helper cells? Correct Answer
Assist B cells in producing antibody
The production of antibodies is turned off by which cells? Correct
Answer Suppressor T cells
What are small polypeptides given off by T cells, which regulate
the function of phagocytic cells called? Correct Answer
Lymphokines
Which T cell acts specifically to kill tumor cells and virally infected
cells? Correct Answer Cytotoxic T cells
Which of the following is not an external defense mechanism of
natural immunity that provides the human body with a defense
, against invading microorganisms? Correct Answer Bursa of
Fabricius
All of the following are surface markers for T cells EXCEPT which
one? Correct Answer CD 16
All of the following are surface markers for T cells: Correct
Answer CD2, CD4, CD8
Lymphoid stem cells that differentiate in the bone marrow are
called what? Correct Answer B cells
Which one of the following is associated with the humoral immune
response? Correct Answer Plasma cells
Which cells are identified by the presence of surface
immunoglobulin receptor? Correct Answer B cells
Which B lymphocytes transform into cells that produce antibody
molecules? Correct Answer Plasma cells
Which WBCs migrate to the tissue and become macrophages?
Correct Answer Monocytes
Which one of the following cells ingest and destroy bacteria,
damaged host cells, and tumor cells? Correct Answer
Macrophages
What is the main function of polymorphonuclear WBCs Correct
Answer Phagocytosis
What is the major histocompatibility complex? Correct Answer
The genes that control the expression of the HLA antigens
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