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26 Cards in this Set
- Front
- Back
What is the cell wall of spirochetes made of?
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peptidoglycan
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Where a axial fibers found in spirochetes?
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Between the protoplasmic cylinder and the outer envelope
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What three genera of spirochetes are pathogenic for animals and humans?
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Borrelia
Leptospira Brachyspira |
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What is an infection of borrelia theileri characterized by?
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febrile episodes, weight loss, weakness, and anemia.
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When can Borrelia theileri be found in the blood of an infected individual?
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during the febrile state
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Where can Leptospira sequester in order to evade immune attack?
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renal tubules
uterine lumen eye brain |
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What spirochete causes colitis in growing pigs?
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Brachyspira pilosicoli
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What spirochete can cause fever depression and profuse diarrhea in birds?
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Borrelia anserina
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With infection of this organism, in dogs the dominant clinical sign is acute lameness.
Arthritis, encephalitis, uveitis and laminitis have been described in infected cattle and horses. What is it? |
Borrelia Burgdorferi
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What are the host-adapted serovars for the following:
cattle, swine, dogs, horses, deer, rodents |
cattle-hardjo
swine-bratislava dogs-canicola horses-bratislava deer-pomona rodents-icterhaemorrhagiae |
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How does lepto enter the body?
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nasal, oral, conjuctival membranes or skin lesions
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This organism causes swine dysentery which is marked by bloody diarrhea.
what organism resembles this organism? |
Brachyspira hyodysenteriae
B. innocens |
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What secondary agents are necessary for disease to develop from B. hyodysenteriae?
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Bacteroides fragilis
fusobacterium |
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This spirochete is contracted by ingestion of contaminated feces from a recently infected or a carrier animal.
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B. hyodysenteriae
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what lesions might a pig with tuberculosis present with?
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lesions in the mandibular and mesenteric lymph nodes.
may develop granulomatous lesions in the intestinal mucosaor tonsils |
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Waht drug binds to the 30s ribosomal subunit and inhibits vacterial protein synthesis?
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Streptomycin
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what drug interferes with lipid and DNA synthesis inhibiting bacterial cell wall synthesis?
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Isoniazid
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What drug impairs RNA synthesis by inhibiting DNA-dependant RNA polymerase?
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Rifampin
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what drug interferes with mycolic acid incorporation into the mycobacterial cell wall?
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Ethambutol
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what does C. pseudotuberculosis cause in sheep and goats?
what about horses? |
caseous lymphadenitis in sheep and goats
Ulcerative lymphangitis in horses |
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What are the virulence factors for Rodococcus equi?
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Vap A
cholesterol oxidase Arabinogalactan capsule |
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What are the proposed virulence factors for Erysipelothrix?
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Hyaluronidase and Neuraminidase
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What drugs are commonly used to treat E. rhusiopathiae?
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Pen G and ampicilin
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What causes circling disease in sheep, head pressing, facial paralysis, difficulty in swallowing, fever, and blindness?
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Listeria
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What is the major virulence factor that allows Listeria to escape the phagosome after ingestion?
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Listeriolysin
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What surface protein is necessary for Listeria to induce actin filament assembly?
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ActA
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