Flashcards in chapter 21 Deck (29):
In the list below, which type of cell is involved in adaptive immunity?
Which of the following is NOT a sign of inflammation?
The first step in inflammation is __________.
the release of inflammatory chemicals
. an increase in the number of white blood cells that are in circulation
clinging of phagocytic cells to the inner walls of the capillaries
phagocytes squeeze through the capillary endothelium
white blood cells migrate to the site of tissue damage
Which of the following is NOT a property of interferons (IFNs)?
IFNs stimulate B cells to produce antibodies.
A moderate fever is a protective adaptive response.
Humoral immunity is provided by __________.
__________ are substances that can trigger the adaptive defenses and provoke an immune response.
__________ is the property of lymphocytes that prevents them from attacking the body's own cells.
Self-reactive B cells are eliminated in the __________.
Which of the following is a characteristic of a secondary immune response?
A secondary immune response lasts longer than a primary immune response.
A vaccination works to establish __________.
artificial active immunity
most abundant class of antibodies
large, pentamer shaped antibody
dimeric antibody found in body secretions
antigen receptor found on B cells
antibody that mediates some allergies
Which is correctly matched
ytotoxic T cells: activated by antigens bound to MHC I
MHC II proteins are found on __________.
What is the second step of T cell activation?
Which of the following is mismatched?
helper T cells: directly target and kill cancer cells
A graft that is transplanted from one person to a genetically identical individual (i.e., to an identical twin) is an example of a(n) __________.
severe combined immunodeficiency syndrome (SCID
genetic defect resulting in a shortage of B and/or T cells
condition in which T helper cells are destroyed by a virus