MMSC 360 Final Exam 2023 revised questions and answers 100% verified
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Course
MMSC 360
Institution
MMSC 360
MMSC 360 Final Exam 2023 revised questions and answers 100% verified
Most important phagocytic cell found in the bloodstream
polymorphonuclear cell (PMN)
Molecules found on human cells that can bind to molecules from infectious agent:
pathogen recognition receptors
process whereby molecules ...
mmsc 360 final exam 2023 revised questions and ans
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MMSC 360 Final Exam 2023 revised questions and
answers 100% verified
Most important phagocytic cell found in the bloodstream
polymorphonuclear cell (PMN)
Molecules found on human cells that can bind to molecules from infectious
agent:
pathogen recognition receptors
process whereby molecules enhance the binding of bacteria to WBC
opsonization
neutrophils contribute to inflammation by
degranulating
the activation of the classical complement pathway begins with the recognition of
_________ by ________-
immune complexes
C1
role of C5B6789
LYSIS
the process whereby WBC move from the circulatory system into the tissue (any
of these)
-diapedesis
-chemotaxis
-extravasation
the __________ complement pathway is activated by an antibody
classical
a non-phagocytic cell that is part of an animals innate resistance
Natural Killer Cell
inflammation is characterized by:
-increased capillary permeability
-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:
pathogen-associated molecular patterns (PAMPs)
which of the following describes innate immunity?
immediate
the membrane attack complex of complement is made up of
C5bC6789
cells participating in ADCC must have the surface marker ______ to bind to
immunoglobulin G
CD 16
how does the normal human microbiota protect us from infection?
compete with potential pathogens for nutrients
mucins found in mucus offer protection by
blocking biofilm formation by certain bacteria
, because the complement pathways is (are) independent of antibody, recognition
and activation occur quickly
-alternative
-lectin pathway
binding of free C3b to Cr1 on WBC result in
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)
hapten
an antibody monomer contains
2 identical heavy chains and 2 identical light chains
which of the follow would be the best immunogen
polypeptide consisting of a variety of amino acids
the idiotype of an antibody is determined by:
hypervariable region
molecules that initiate an immune response by T cells
immunogens
a small molecule that can only stimulate an immune response once linked to
another molecule
hapten
antigens that are similar in structure but come from different species
heterophiles antigens
antibodies are predominately found in which serum protein electrophoresis
fraction?
gamma
the isotope of an antibody is determined by the
heavy chain amino acid sequence
during serum protein electrophoresis, antibodies primarily migrate in the
________ fraction
gamma
what is the advantage of monoclonal antibody?
highly specific
where do T cells primarily mature?
thymus gland
principle lymphoid cell found in the skin
T cell
the MHC II molecules on APC interacts with:
CD4
Primary antigen presenting cell found in the skin
Langerhans cell
T-cell receptor:
has three hyper variable regions that determine its isotype
B cell binding site for antigen:
monomeric Ig
Non phagocytic APC
B cell
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