final Flashcards
(47 cards)
The goal of vaccination is best described by?
attempt to stimulate adaptive immune system to create memory
antacids have a large source of?
aluminum
antiperspirants are 2nd
to create memory killer t cells what must occur?
infected cell must present antigen on MHCI
vaccine where organism is created and genes are removed that impair virulence and/or replicate describes?
recombinate vaccine
Thimersol/mercury is in what vaccines?
influenza and DTAP
what’s the function of an immunologic adjuvant?
increases immune response
in the brain aluminum does what?
increases level of pro inflammatory cytokines
what percentage of the world is infected by tb?
1/3
what percentage actually develop tb?
5-10%
how does tb create a problem for macrophages?
prevents phagosome from fusing with lysosome
what bias is associated with allergy and asthma?
Th2
self reactive antibodies against ACH receptors prevents ACH from binding producing muscle weakness is?
myasthenia gravis
autoimmune dieases typically follow what?
infection
healthy 6 month old has was Th bias?
Th1
antibody associated with allergies?
IgE
Tb macrophages die how?
necrosis
in utero you have what Th bias?
Th2
hypersensitivity associated with allergies?
type 1 (immediate)
all forms of hypersensitivity require?
prior exposure to antigen
type of hypersensitivity associated with poison ivy?
type 4
deposition of antibody-antigen complexes causing INFLAMMATION is what type?
type 3
why can the HIV-1 virus evade the immune system thus no vaccine?
high mutation rate
most cancers are linked to viral infections?
false
which immune cells are likely effective for cancer?
NK cells
(2nd macrophages)
(CTL’s are least effective)