Deck 8 other qs cont... Flashcards
CD3 is found on which molecule?
TCR – T ly receptor
What do we need for PCR?
Primers, enzyme (TAQ polymerase), all 4 nucleotides, specimen
What to use in case of contaminated workplace?
Add on area cottonwool saturated with persteril 0.5% for 10 minutes
What to disinfect hands with?
Chloramin B 0.5% or septonex 1%
Maximum size if incision for pathology?
Max. 1 cm
Phagocytes of mammals
Neutrophils, Monocytes and Macrophages
Result of complement fixation
Pos: button shaped, no agglutination
Neg: diffuse shape agglutination
How much solution is needed for incision
20-50 times more than incision
Serological test for brucella
True serum agglutination test, ELISA, CFT, milk ring test, slide
agglutination
Serological test in paratuberculosis
ELISA, CFT, gem immunodeficiency test, sample from feces of Ru
Mycobacterium tuberculosis is less lethal to
Chicken and rabbit
Species that can be identified by cAMP test
S agalactia from dysgalactia and uberis
Etiology of mastitis
main in cow : st.agalctia,dysgalactia and uberis / in s.Ru: stph.areus
coliform,corinobacterium, E-coli ,pseudomonas, klebsiella
Pathogenesis of mastitis and phases
invasion- to the udder (depend on hygiene of milk and sphincter) -
infection- bacteria multiply in the tissue - inflammation- developed of mastitis strp. – causing small changes in secretory epithelium, staphy-
large changes – gross degenerative.
Dermatomycosis in poultry
Predisposing factors: Age, immunity, environment, poor condition,
existing lesions on the skin
