Immunology Quiz: Antigen Recognition and Passive Immunization

<p>It can be an immediate treatment against tetanus toxins</p> Signup and view all the answers

<p>Intracellular viral pathogens are degraded by proteasome, producing 8-10 amino acid long peptides that are bound to MHCI molecules in the lumen of the ER and transported to the cell surface of infected cells</p> Signup and view all the answers

<p>Extracellular pathogens are engulfed, degraded by cellular proteases, and could be presented on MHCI molecules in some subsets of dendritic cells</p> Signup and view all the answers

<p>MHCI molecules bind and present peptides derived from intracellular viral pathogens to CD8+ T cells.</p> Signup and view all the answers

<p>MHCII molecules bind and present peptides derived from extracellular pathogens to CD4+ T cells.</p> Signup and view all the answers

<p>Antigen recognition by T cells</p> Signup and view all the answers

<p>ITAM</p> Signup and view all the answers

<p>Dendritic cells take up antigens in peripheral tissues and migrate to the lymph nodes to present them to T cells.</p> Signup and view all the answers

<p>To generate 8-10 amino acid long peptides from intracellular viral pathogens that can be loaded onto MHCI molecules.</p> Signup and view all the answers

<p>To present endogenous antigens to CD8+ T cells</p> Signup and view all the answers

<p>They are required in addition to the antigen-specific signal for full T cell activation</p> Signup and view all the answers

<p>Dendritic cells, macrophages, and B cells</p> Signup and view all the answers

<p>To present exogenous antigens to CD4+ T cells</p> Signup and view all the answers

<p>Interleukin-2 (IL-2)</p> Signup and view all the answers

<p>It inhibits neurotransmitter release, causing muscle spasms</p> Signup and view all the answers