Chapter 8 EXAM LATEST
QUESTINS AND VERIFIED
ANSWERS 100% GUARANTD
PASS
What do T cells do? - correct answer kills cancer cells, cells that are infected (viruses)
What are antibodies responsible for? - correct answer Protection against bacteria
What are effector T cells? - correct answer T-helper cells, cytotoxic lymphocytes, natural killer T
cells (or T-regulatory cells) that produce and secrete cytokines that control the actions of other
host cells.
Where are effector t cells located? - correct answer Blood, tissues, and organs
What is passive immunity? - correct answer the short-term immunity that results from the
introduction of antibodies from another person or animal.
What is active acquired immunity? - correct answer Protection acquired by introduction of an
antigen into a responsive host
What is an example of acquired immunity? - correct answer Immunizations
What is an example of passive immunity? - correct answer breast milk - maternal antibodies
across the placenta to the fetus
, What are the two types of passive immunity? - correct answer natural and artificial
What are immunogens? - correct answer Antigens that elicit an immune response.
What do antigens have to be to be immunogenic? - correct answer Correct type, size, and
complexity, and be present insufficient quantities
What are cognate receptor complexes? - correct answer Receptors on the surface of BB and T
lymphocytes that work in conjunction with accessory proteins to produce lymphocyte activation
What are antibodies composed of? - correct answer For polypeptide chains, including two
identical heavy chains and two identical light chains
What does each heavy chain contain? - correct answer Variable region and large constant
region
What does each light chain contain? - correct answer Variable region in short constant region
What are the classes of antibody? - correct answer IgM, IgG, IgA, IgE, IgD
What is the most prevalent class of antibody? - correct answer IgG
What is the most rare class of antibody? - correct answer IgE
What are the parts of an antibody that bind antigens? - correct answer Fab
What are the parts of antibody that react with cells in molecules? - correct answer Fc