Immunity and Vaccinations Flashcards
examples of viruses
rabies, parvovirus
examples of bacteria
leptospirosis, bubonic plague
examples of fungi
ringworm, blastomycosis
how can diseases be transmitted?
air, direct/indirect animal contact, soiled/contaminated objects (fomites), broken skin/mm, saliva, urine, blood/body secretions, sexual contact, contaminated food/water
what are the classes of antibodies?
IgD, IgA, IgM, IgG, IgE
IgD antibody
receptor for B cells
IgA antibody
produced by mm cells, prevents attachment to epithelial layers
IgM antibody
made after initial contact with pathogen, shows up with active infection
IgG antibody
most abundant, can pass through placenta, from mother to baby
IgE antibody
inflammation, causes histamine release
what are the three ways the body defends against pathogens from 1st line of defense to last line of defense?
physical barriers (skin, self-cleaning, natural flora), innate immunity (inflammation, lesions), specific immunity (antibody production, cell-mediated immunity)
humoral immunity
antibodies bind to antigens in the circulation or in tissue fluids
cell-mediated immunity
used to destroy the infected cell or the cell is activated to destroy the invader, mediated by T-lymphocytes
active immunity
long-lasting humoral immunity that occurs after exposure to a pathogen (can be natural or artificial)
B-cells are produced (memory cells)
takes a while for immunity to develop
passive immunity
humoral immunity provided to the animal
artificial: giving antibodies through injection
natural: maternal antibodies
provides immediate protection but is temporary
colostrum
first milk produced by mother that is rich in antibodies, puppies need to drink it in the first 24 hours after birth
virulence
degree of pathogencitity of pathogen to invade body tissues (how dangerous/deadly it is)
reconstitution
mixing drugs
diluent
liquid portion used during reconstitution, usually sterile water or sterile saline is used