immune system mimic test

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

b cells

produce antibodies

how does HIV affect the body

Infects & kills T cells so your body cannot fight off disease

what is the purpose of MHC

distinguish self from non-self and identify cancer cells

macrophages

engulfs/digests debris, foreign substances

which cells respond whether yu have a viral infection or bacterial infection

helper t-cells

whats the difference between cell mediated and humoral immunity

humoral uses antibodies to kill pathogens and cell mediated uses killer t cells

cytotoxic T cells

kills cancer cells, virus infected cells, etc

which cells and which signaling molecule are responsible for initiating an inflammatory response

mast cells, histamines

what cell types are responsible for initiating a secondary immune response(second exposure)

memory cells

natural killer cells

A type of white blood cell that can kill tumor cells and virus-infected cells; without stimulation of antigen

what happens when a mammalian immune system encounters a pathogen

1. antigenic determinants from pathogen bind to antigen receptors on lymphocytes 2. lymphocytes specific to antigenic determinants from pathogen multiply 3. lymphocytes secrete antibodies 4. pathogen dies 5. memory cells remain

list 5 ways antibodies fight disease in your body

1. neutralize-stop spreading 2. agglutination- clump together 3. opsonization-find pathogens 4. compliment activation-punch holes in bacteria by work with proteins 5. enhance killer cells activity

what is made in bone marrow

B and T cells

what are antigens

a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.

helper t cells

activate b cells and killer t cells

clonal selection

reproduction of identical ceels to fight a specific pathogen

what is passive immunity

short term immunity using antibodies produced outside the body(mom to child)

active immunity

the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen. (actually fighting the virus)

what is the purpose of the thymus

trains and develops T-cells


Ensembles d'études connexes

Prep U-Chapter 30 Assessment and Management of Patients With Vascular Disorders and Problems of Peripheral Circulation

View Set

Adjustments, Financial Statements and Financial Results

View Set

Business Math Ch 21: Stocks - Stocks, Dividends, Investment

View Set

Ecology Final review with test 1,2,3 Barrett

View Set

health insurance underwriting -7

View Set

Chapter 1 quiz, Chapter 2 quiz, Chapter 3 quiz, Chapter 4 quiz HM

View Set

Chapter 27: Management of Patients With Coronary Vascular Disorder - ML8

View Set

Lesson 9: Commercial Property Policy

View Set