click below
click below
Normal Size Small Size show me how
Stack #1286378
Term | Definition |
---|---|
General characteristics of M.Tuberculosis | -Have a slender, slightly curved rods -Have a complex peptidoglycan -are primarily slow growers -are resistant to drying & to disinfect -stimulate strong cell mediated immune response in a healthy host |
Culture & colonial morphology of mycoplasma | -in vitro culture in not attempted often -culture is performed on PPLO agar -colonies may not form for 2-3 weeks -colonies have a characteristics of fried eggs |
Toxins produced by staph species include | -an exfoliative toxin responsible for scaled skin syndrome -enterotoxin in food poisoning & colitis -pyrogenic toxin producing TSST -panton-valentine toxin which damages leukocytes -hemolysins that act on cell membranes to lyse cells |
Etiological agents and clinical manifestations of pneumonic plague | -caused my Y.pestis -results from human-human contact through respiratory droplets |
Different stages of syphilis in humans -includes abortion stillbirth and birth defects | -primary stage:localized infection with erythemia and ulceration -Secondary stage:dissemented infection with lesions in almost all tissues, rash -Tertiary infection:aortitis and CNS problems fatal -in utero infection:severe manifestation, |
Lab of vibriosis | -relies on clinical manifestation, -gram-negative short-curved comma-shaped rod appears in the stool specimen -perform a fluorescent antibody test on stool -culture on selective medium, then do a fluorescent anitbody |
Clinical manifestation of brucellosis | organims localise and cause granulomas in the sleen, liver, bone marrow and lymph nods. -two types of infection: acute infection with relapse and fever -chronic infection with protracted weakness, depression, over 12 months |
Symptoms of cutaneous anthrax | -results from entry of spores into a cut or an abrasion(hand forearm head) -A small pustule happens into a large vesicle with dark fluid(eschar) surrounded by a characteristics of inflammatory ring at the base |
Etiology & transmission of epidemic typhus | By rickettsia prowazekii and spread by lice |
Patho of salmonella | -has an endotoxin causing alot of toxic manifestation like DIC shock hyptension -May have an extoxin -are aided by the antiphagocytic activity of the capsule -can survive with macrophages by unknown means |