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51 Cards in this Set
- Front
- Back
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Grow with and without oxygen
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aerotolerant anaerobes
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Do not tolerate oxygen
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obligate or strict anaerobes
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Lacks superoxide dismutase and catalase
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obligate anaerobes
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Sulfhydryl compounds and thioglycolate
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reducing agents for anaerobes
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Normal Eh for tissue
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150mV
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Lower Eh for anaerobiosis
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lose vascularization trauma acid production necrosis
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Characteristics of anaerobic infection
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necrotizing damage and exotoxins
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Electron donor is
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reducing agent
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Electron acceptor is what agent
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oxidizing
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Gain of electrons
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reduction
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Loss of electrons
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oxidation
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Disease caused by bacT that invade and produce toxin
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toxin forming invasive group
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Disease caused by preformed toxin or secretion
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toxin forming non invasive group
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Causes blackleg
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clostridium chauvoei
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Myositis gas gangrene and muscle necrosis
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blackleg
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Entry as teeth lost in young cattle
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clostridium chauvoei
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Clostridium chauvoei uses what virulence mech
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phospholipase C alpha toxin
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Often most robust young cows affected during fighting
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C. chauvoei
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Causes malignant edema and sheep braxy
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C. septcum
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Inflammation of abomasal lining
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c. septicum
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Difference between c chauvoei and c septicum
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enters thru wounds and not orally
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Common cause of myositis in horses
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c. septicum
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Red water disease
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clostridium hemolyticum
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Hemoglobinuria
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c. hemolyticum
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Factor contributing to anaerobiosis in liver in c hemolyticum
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infarcts
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Virulence factor of c. hemolyticum
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phospholipase c alpha toxin
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Has Type A and B diseases
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C. novyi
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Gas gangrene in man and big head in rams
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Type A c novyi
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Black disease infectious necrotic hepatitis
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Type B C. novyi
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Ulcerative enteritis or quail disease
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c. colinum
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Enterotoxemia of rabbits
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c. spiroforme
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Iota toxin ribosylates and impairs actin to polymerize
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c. spiroforme
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Tyzzer’s disease
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c. piliforme
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Necrotizing hepatitis and hemorrhagic enteritis
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c piliforme
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Extremely oxygen sensitive
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c. piliforme
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Diarrhea melena anal bleeding cecum is red black
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c. piliforme
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Pseudomembranous enterocolitis
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c. difficile
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Pseudomembranes over colon mucosa
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Colitis X
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Hypovolemic shock watery diarrhea profuse in horse
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colitix X
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How is c. perfringens grouped
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toxin production
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Most widespread c perfringens
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Type A
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Principal lethal toxin of C. perfringens
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alpha toxin
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Yellow lamb disease
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Type A c. perfringens
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Pale mm hemolytic anemia icterus hemoglobinuria in lambs
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Type A c. perfringens
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Lamb dysentery
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Type B c perfringens
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Toxin associated with Type B c perfringens
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beta toxin
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Hemorrhagic and necrotic enteritis in many species
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Type C C perfringens
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Enterotoxemia in sheep and goats
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Type D C. perfringens
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Pulpy kidney disease or overeating disease
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Type D c perfringens
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Type D c perfringens uses toxin what
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Lethal epsilon
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Iota toxine
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Type E c perfringens
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