questions and Actual Answers.
MMSC 360 Final Exam (questions) 180
questions and Actual Answers.
Most important phagocytic cell found in the bloodstream - ANSWER polymorphonuclear cell (PMN)
Molecules found on human cells that can bind to molecules from infectious agent: - ANSWER pathogen
recognition receptors
process whereby molecules enhance the binding of bacteria to WBC - ANSWER opsonization
neutrophils contribute to inflammation by - ANSWER degranulating
the activation of the classical complement pathway begins with the recognition of _________ by
________- - ANSWER immune complexes
C1
role of C5B6789 - ANSWER LYSIS
the process whereby WBC move from the circulatory system into the tissue (any of these) - ANSWER -
diapedesis
-chemotaxis
-extravasation
the __________ complement pathway is activated by an antibody - ANSWER classical
a non-phagocytic cell that is part of an animals innate resistance - ANSWER Natural Killer Cell
inflammation is characterized by: - ANSWER -increased capillary permeability
,MMSC 360 Final Exam (questions) 180
questions and Actual Answers.
-dilation of capillaries
-migration of macrophage to damaged tissue
a class of molecules found on disease-causing bacteria that bind to receptors on human cells that
stimulate cytokine release: - ANSWER pathogen-associated molecular patterns (PAMPs)
which of the following describes innate immunity? - ANSWER immediate
the membrane attack complex of complement is made up of - ANSWER C5bC6789
cells participating in ADCC must have the surface marker ______ to bind to immunoglobulin G - ANSWER
CD 16
how does the normal human microbiota protect us from infection? - ANSWER compete with potential
pathogens for nutrients
mucins found in mucus offer protection by - ANSWER blocking biofilm formation by certain bacteria
because the complement pathways is (are) independent of antibody, recognition and activation occur
quickly - ANSWER -alternative
-lectin pathway
binding of free C3b to Cr1 on WBC result in - ANSWER destruction of C3b
in poison ivy allergies, the plant oil urushiol combines with skin oils. this complex then stimulated an
immune reaction. Urushiol is functioning as a(n) - ANSWER hapten
an antibody monomer contains - ANSWER 2 identical heavy chains and 2 identical light chains
, MMSC 360 Final Exam (questions) 180
questions and Actual Answers.
which of the follow would be the best immunogen - ANSWER polypeptide consisting of a variety of
amino acids
the idiotype of an antibody is determined by: - ANSWER hypervariable region
molecules that initiate an immune response by T cells - ANSWER immunogens
a small molecule that can only stimulate an immune response once linked to another molecule -
ANSWER hapten
antigens that are similar in structure but come from different species - ANSWER heterophiles antigens
antibodies are predominately found in which serum protein electrophoresis fraction? - ANSWER gamma
the isotope of an antibody is determined by the - ANSWER heavy chain amino acid sequence
during serum protein electrophoresis, antibodies primarily migrate in the ________ fraction - ANSWER
gamma
what is the advantage of monoclonal antibody? - ANSWER highly specific
where do T cells primarily mature? - ANSWER thymus gland
principle lymphoid cell found in the skin - ANSWER T cell
the MHC II molecules on APC interacts with: - ANSWER CD4
Primary antigen presenting cell found in the skin - ANSWER Langerhans cell