SCMED2020 Immunology Which of the following molecules are NOT eukocytes ou tissu
ID: 126302 • Letter: S
Question
SCMED2020 Immunology Which of the following molecules are NOT eukocytes ou tissues? involved in migration of t of the blood vessels to the site of infection in the A. Chemokines Immunoglobulins C. Selectins D. Integrins 10. Which of the following statements best describes the processing and presentation of antigens by a professional antigen presenting cell (APC)? A. Professional APC can only present exogenous antigens to T cells B. Professional APC present endogenous antigens on MHC class lI molecules to CD4 T cells Professional APC are the only cells that can present both endogenous and exogenous antigens on MHC class I molecules to CD8 T cells Professional APC can only present antigens to T cells if they are first activated by pathogens. C. D. 11. Which of the following features are typical of professional antigen presenting cells? A. They express MHC class I, but not MHC class I. B. They express MHC class Il but not MHC class I. C. They express MHC class I and MHC class II D. They can only present antigens to CD4 T cells. 12. In an immune response to a viral infection, cross presentation of viral antigens directly promotes: A. CD8+ T cell responses to virus-infected cells. B. CD4+ T cell responses to virus-infected cells. C. NK cell responses to virus-infected cells. D. Phagocytosis of the virus by professional APCs.Explanation / Answer
Ans 9 B) Immunoglobins
Immunoglobins are also called as antibodies , which are produced by the plasma cells of the immune system to fight against the pathogens and provide immunity to the person.
They do not perform any role in the diapedesis or the leukocyte extravasation.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.