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MICR 270 Actual Exam with Questions and 100% Verified Answers
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MICR 270 Actual Exam with Questions and 100% Verified Answers
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MICR 270 Actual Exam withQuestions and 100% Verified
Answers
Which complex do APCs express? - Answer MHC 2
When APCs internalize pathogens, which mechanisms allow them to do so? -
Answer Phagocytosis or Endocytosis
What are the two types of APCs? - Answer Professional and Non Professional
List the types of professional APCs - Answer Macrophage, B-Cell, Dendritic Cell
Which APC is the most effective and why? - Answer Dendritic cells. Express high level
of MHC2
Which type of cells do APCs activate? - Answer Helper T cells
Give 2 examples of non-professional APCs - Answer Glial cells and fibroblasts
Why do we rarely see non-professional APCs express MHC class 2? - Answer Cells rarely
needed in this specific function.
, In which situation would non professional APCs be recruited? - Answer Sustained
inflammatory response
Which peptide forms MHC Class 1 Complex? - Answer CD8 Cytoxic T Cells
Which peptide forms MHC Class 2 complex? - Answer CD4 Helper T Cells
The Endogenous Pathway in antigen processing is responsible for forming which
complex? - Answer MHC1
The exogenous pathway is recognized by which t cell? - Answer CD4 helper T cell
From entry of pathogen in the body to its elimination - Answer Overall
immune response
Which two immune responses does the "overall immune response" consist of? -
Answer Innate and Adaptive
The fundamental difference between the innate and adaptive immune responses is
that they are two separate units. T/F - Answer False. Single Unit
When does an antigen specific response occur in the immune system. - Answer when
innate system is overwhelmed
What is the first phase in the adaptive immune response? - Answer antigen recognition
After a pathogen has evaded the innate immune response, what is it that APCs
(antigen presenting cells) see first ? - Answer PAMPs
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