Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
VET 140 Week 5
Gram Negative Bacteria
| Question | Answer |
|---|---|
| Describe Enterobacteriaceae. | Medium sized (about 3 microns), gram negative rods |
| Serotyping | is performed to diagnose major pathogens by detecting their marker antigens: O, H for E.coli, Salmonella, and Yersinia |
| What is the laboratory diagnosis of Enterobacteriaceae? | Facultative anaerobes, Peritrichous, Oxidase- negative |
| How many sp. of Yersinia are there? | 10 |
| What is the lab diagnosis of Yersinia? | Heat liable, Aerobic/anaerobic, non-lactose fermenting |
| What is Yersinia pestis? | Bubonic and pneumonic plague |
| What transmits Yersinia pestis? | Fleas |
| What is an important reservoir of Yersinia pestis? | Wild rodents |
| What is Yersinia pestis characterized by in humans? | enlarged lymph nodes (buboes) and septicemia |
| Yersinia pseudotuberculosis | Enteric infections in wild and domestic animals, and humans |
| T/F: Escherichia coli is part of normal flora | True |
| What are the predisposing factors of Escherichia coli? | Age, Immune status, Nature of diet, Heavy exposure to pathogenic strains |
| What virulence factors does Escherichia coli have? | Capsules, Fimbrial adhesions, endotoxin, enterotoxins, verotoxins (shigatoxin), and cytotoxic necrotizing factors |
| What are the disease manifestation of E. coli? | Enteric, Septicemia, non-enteric localized, Edema disease |
| How many Salmonella serotypes are there? | 2400+ |
| What are the Salmonella antigens? | Somatic (O) and flagellar (H) antigens |
| Where is Salmonella found? | Feces |
| What is the main route of infection for Salmonella? | Ingestion |
| What are the virulence factors of Salmonella? | Invade host cells, Replicate in host cells, Resist digestion by phagocytes |
| Where does Salmonella tend to localize? | mucosa of ileum, cecum, colon, and mesenteric lymph nodes |
| T/F: Pseudomonas aeruginosa Disease is zoonotic | True |
| Describe Burkholderia | Aerobic, Oxidase positive, catalase positive |
| What media is Burkholderia grown on? | MacConkey |
| What is the motilesubspecies of Burkholderia? | B. pseudomallei |
| What is the non-motile subspecies of Burkholderia? | B. mallei |
| Where is B. pseudomallei found? | Soil |
| What is B. mallei also known as? | Glanders |
| What is B. pseudomallei also known as? | Melioidosis |
| What does Actinobacillus lignieresii cause in cattle? | Wooden tongue; timber tongue |
| What are the virulence factors of Actinobacillus pleuropneumonia? | Capsule: antiphagocytic, immunogenic; Fimbriae, Toxins |
| How is Actinobacillus pleuropneumonia transferred? | Aerosol |
| Describe Pasteurella. | Gram negative, Bacilli or coccobacilli, Oxidase negative, Facultative anaerobes, non-motile, labile in environment |
| What are the virulence factors of Pasteurella multocida? | Fimbriae, Capsule, endogenous, Adhesion to mucosa, avoidance of phagocytosis |
| What is Mannheimia haemolytica associated with? | Bovine pneumonic pasteurellosis (shipping fever) |
| Describe Haemophilus sp. | Gram negative, Bacilli/Coccobacillus, Small, Motile, Faculative anaerobes |
| T/F: Haemophilus sp. will grow on MacConkey agar | False |
| What does Haemophilus parasuis cause in pigs? | Glasser's disease |
| Describe Taylorella equigenitalis (H. equigenitalis) | Gram neg bacilli, Short, non-motile, Microaerophilic, Highly fastidiou |
| T/F: Taylorella equigenitalis (H. equigenitalis) is found in the genital tracts of equines. | True |
| What kind of agar does Taylorella equigenitalis (H. equigenitalis) require? | Chocolate agar |
| Describe Moraxella bovis | Short, gram - bacilli, occur in pairs, aerobic, proteolytic activity, susceptible to drying |
| T/F: Moraxella bovis causes Infectious bovine keratoconjunctivitis or pink eye | true |
| Describe Francisella tularensis | Gram -, Coccobacillary bacilli, Obligate aerobe, Fastidious, non-motile, stable in environment |
| What does Francisella tularensis cause? | Tularemia |
| Describe Lawsonia | Gram -, curved bacilli with single polar flagellum, no fimbriae or spores, extremely fastidious growth requirements |
| What does Lawsonia intracellularis affect? | Older pigs and breeding stock |
| Describe Bordetella | Gram -, Bacilli, small, strict aerobes, labile in environment |
| What does B. bronchiseptica cause in pigs? | Atrophic rhinitis |
| Which species of Bordetella affect humans? | B. pertussis and parapertussis |
| Which species of Bordetella affect avians? | B. avium |
| Which species of Bordetella affect many species? | B. bronchiseptica |
| What does B. bronchiseptica cause in dogs? | Kennel cough (canine infectious tracheabronchitis) |
| What does Bordetella pertussis & B. parapertussis cause? | Whooping cough |
Created by:
Acraft02
Popular Veterinary sets