Humoral defences - Study guides, Class notes & Summaries

HUMORAL DEFENCES THE COMPLEMENT SYSTEM ANTIBODIES • Humoral immunity refers to the non cellular aspects of the immune system i.e. antibodies synthesis and the accessory processes that accompany it, including: • Th2 activation and cytokine production, • Germinal centre formation and isotype switching, • Affinity maturation and • Memory cell generation. • It also refers to the effector functions of antibody, which include: • Pathogen and toxin neutralization, • Classica...

What is immunology? - correct answer The study of an organism's immune system - specifically how it defends the organism against infection and how it responds to/consequences of incorrect immune responses. What is innate immunity? - correct answer A set of mechanisms (present from origin) present at all times in all individuals (constant). Mechanisms lead to the recognition and response to the presence of a pathogen. - NON SPECIFIC! ...

BHCS1006 Infection and Immunity 2018 Exam Questions With Complete Solutions Which of the following is correct regarding innate immunity? a. The two principle phagocytes are macrophages and eosinophils. b. The alternative pathway of complement activation is triggered by antibodies bound to a microbe. c. C reactive protein binds to microbial surface and triggers activation of complement. d. Hasmemory. e. The C3b molecule acts as an opsonin. - ANSWER E Which cytokine drives the di...

AQA Biology; Immunity UPDATED VERSION. What is an antigen? - ANSWER.Molecules, usually proteins, that are on the cell-surface membrane of pathogens that trigger an immune response What is a pathogen? - ANSWER.A disease causing microorganisms What are the 4 main stages of the immune response? - ANSWER.Phagocytosis T-Cells B-Cells Antibody production What happens during phagocytosis? - ANSWER.Chemoattractants from the pathogen attracts the phagocyte, the phagocyte moves to the pathoge...