Unit 6 - A & P Module - Innate and Acquired immunity and immune response Flashcards
Major histocompatibility (MHC) molecules __________.
underlie the phenomenon of transplant and graft rejection, are each an individuals’ marker of “self” and assist T lymphocytes in their functions
The following molecules inserts itself into foreign cell membranes, creating nonspecific pores similar to perforin.
Complement proteins, which form a membrane attack complex
__________ are proteins or polysaccharide molecules found in viruses, bacteria, and so on, that can provoke an immune response.
Antigens
The following is a secondary (peripheral) lymphoid tissue of the body.
Lymph nodes
Molecules that attract immune cells are called __________.
chemotaxins
A sign of bacterial infection is an increased number of _________ in the bloodstream.
neutrophils
Antibody production requires the participation of the following cell types.
Plasma B cells, memory B cells, and helper T cells
Natural killer cells attack invaders by releasing __________, which create pores in the invading cell’s membrane, leading to cell lysis.
perforins
The following antibody classes is the most common produced during the primary immune response.
This class is also associated with antibodies that react to blood group antigens.
IgM
The only cell type involved in cell-mediated immunity that physically interacts with invading pathogens is the __________.
cytotoxic T cell
Active immunity __________.
induces the production of memory cells, involves the injection of a crippled pathogen or its components, and can be induced artificially or naturally
__________ destroy antibody-laden parasites.
Eosinophils
Granulocytes are __________.
white blood cells whose cytoplasm contains prominent granules
The following statements about viruses is true.
Viruses cannot be killed by antibiotics.