an d an sw er s w ith accur ate
r ation ales(PASSED)
innate immunity - answer Immunity that is present before exposure and effective
from birth. Responds to a broad range of pathogens. Involves pattern recognition
of specific molecules
adaptive immunity - answer develops throughout life: caused by antigens
Response system produces antibodies. Can also destroy host cells
phagocyte - answer A white blood cell that destroys pathogens by engulfing them
(eating them) and breaking them down
inflammation - answer Four cardinal signs are: Heat, pain, redness, swelling
Plasma - answer Secrete antibodies in large numbers
Fever - answer Important host cell defense mechanism
Strong indicator of infectious disease
First line of defense - answer skin and mucous membranes
, Lyzozyme - answer An enzyme that degrades peptidoglycan. Is found in tears,
saliva, blood, and phagocytes
peroxidase enzymes - answer create oxidizing compounds by breaking down
hydrogen peroxide
Lactoferrin - answer A protein found in secretory fluids and neutrophils that
inhibits microbial growth via iron chelation.
surface receptors - answer serve as "eyes" and "ears" of cell
Usually span membrane, connect outside to inside
Binding to specific ligand induces response
Cytokines - answer proteins secreted by cytotoxic T cells to aid in antigen
destruction "voices" of cell.
colony stimulating factors - answer multiplication and differentiation of leukocytes
into colonies of specific blood cells
Interferons - answer Signaling protein secreted by host cell to generate antiviral
defenses
Interleukins - answer proteins (cytokines) that stimulate the growth of B and T
lymphocytes