Brucellosis - Study guides, Class notes & Summaries

NAVLE Test Bank;Updated Actual Questions and Answers Solved 100%;(Everything you need to pass NAVLE is here) What nerve(s) need to be blocked in order to dehorn cattle? Ans- Cornual What nerve(s) need to be blocked in order to dehorn goats? Ans- cornual nerve and infratrochlear nerve Several rabbits in a commercial meat operation have developed genital scabs, perineal ulcerations a crusty exudate around the nose and eyes. Microhemaglutination tests are positive for treponematosis. ...

Virulence: mycolic acid in cell wall causes slow growth, protection from lysis once bacteria are phagocytized, capacity for intracellular growth, resistance to Gram-staining, detergents, many antimicrobial drugs, and dessication - Mycobacterium Tuberculosis Unique properties: grows very slowly, can live within macrophages, tuberculin skin test--positive when red swelling appears, BCG vaccine is used in countries w/ lots of TB cases, effective on 80% of children and 20-50% of adults, cord fact...

Brucellosis def correct answers Brucellosis is a contagious, costly infectious disease of livestock animals caused by the bacteria of the genus Brucella. It is transmitted to humans from animals such as cattle, swine, and goats. It is characterized in humans by producing severe intermittent fever. Important cause of abortion in livestock. Produces necrotizing placentitis (inflammation and then no flow of nutrients from mother to fetus) Brucellosis: Etiology correct answers Genus: Brucella...

Sir David Bruce correct answers cultivated the causative agent of undulant fever, Brucella abortus, and also related the tsetse fly to the transmission of sleeping sickness Alice Evans correct answers Proved that bacillus abortus and micrococcus melitensis were two related organisms. The first affects cattle and the second affects animals and humans. She figured out that both could jump from animals to humans and was met with opposition to this. She helped create a new genus known as brucello...

Taxonomy correct answers 6 species identified based on antigenic variation, phenotypic characteristics, and prevalence of infection in different animal hosts - B. melitensis (small ruminants) - B. abortus (cattle) - B. suis (swine) - B. canis (dogs) - B. neotomae (desert wood rats) - B. ovis (sheep) Which species cause disease in humans? correct answers melitensis, abortus, suis, and canis *melitensis and suis more virulent than other pathogenic forms* Which species cause disease in...

During the swing of flu epidemic a milkmaid referred to a doctor with complaints of high body temperature, general weakness, absence of appetite, pain in joints. During 10 days she had treated flu. The infectionist suspected brucellosis. Using what reaction is it possible to diagnose brucellosis? А. Wright's. B. Wasserman`s test. C. Coombs test. D. Widal's test. E. Ouchterlony test. correct answers A The territory of the burial ground of cattle, which has not been used for more t...

human plague: etiology correct answers Yersinia pestis US zoonoses by prevalence correct answers brucellosis = tularemia (type A - one of the most infectious bacteria) >> plague Yersinia pestis: microbial characteristics, culture conditions correct answers GNR, facultative anaerobe, BIPOLAR STAINING (tips darker than the rest); grows on standard culture (in 2 days) Dx: GNR with dark tips correct answers Yersinia pestis Y. pestis: diseases caused correct answers bubonic, septice...

Virulence: mycolic acid in cell wall causes slow growth, protection from lysis once bacteria are phagocytized, capacity for intracellular growth, resistance to Gram-staining, detergents, many antimicrobial drugs, and dessication - Answer-Mycobacterium Tuberculosis Unique properties: grows very slowly, can live within macrophages, tuberculin skin test--positive when red swelling appears, BCG vaccine is used in countries w/ lots of TB cases, effective on 80% of children and 20-50% of adults, ...

In suspected cases of brucellosis, the optimal specimen to be collected for the isolation of the etiologic agent is A. Blood B. Urine C. Cerebrospinal fluid D. Nasopharyngeal exudates correct answers A. The etiologic agents of brucellosis are the brucellae, which are small, nonmotile, gramnegative coccobacilli that are facultative intracellular parasites. Isolation of these organisms is difficult. In suspected cases, which are generally job related, multiple blood cultures are recommended f...

Is Brucellosis contagious? correct answers Yes What does Brucellosis cause? correct answers Abortion, retained placenta, placentitis, orchitis, epididymitis, infertility Infections with Brucellosis are ____________ and ____________. correct answers Inapparent, chronic Clinical signs for Brucellosis are mainly found in the ______________ tract of the natural host. correct answers Reproductive Brucella is difficult to isolate. What test do we use for diagnosis? correct answers Serology...