Immunology — Flashcards

Individuals with _____ disease are susceptible to Candida and Aspergillus infections due to them both being catalase-positive organisms

_____ Lymphoid Cell Function B & T cells - Found in bloodstream, lymph nodes, spleen, submucosa, and epithelia B cells: contain markers CD19, CD20, CD21 - Mature into plasma cells - Function is to produce antibodies TH cells: contain markers CD3 and CD4 - Function is to regulate immune responses Cytotoxic T cells: contain markers CD3 and CD8 - Function is to kill infected cells NK cells - Contain markers CD16 and CD56 - Function is to kill tumor/virus cell targets or antibody-coated target cells - T cells can only bind peptides that have been processed and presented by major histocompatibility complexes (MHCs)

_____ are exotoxins that cause a massive amount of T-cell activation

The antigen receptors of T lymphocytes have one _____ and beta chain (monovalent)

What is the only heat labile antibody?_____

Polysaccharides and lipids stimulate the secretion of mainly _____ antibody.

Which interleukins activate basophils?_____

Who established the concept of humoral immunity?_____

Which antibody is mainly responsible for precipitation?_____

Which T-helper cells are active against extracellular bacteria and fungi?_____