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109 Cards in this Set
- Front
- Back
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what does MacConkey plate contain
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Bile
Lactose pH indicator |
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what does colour change of MacConkey plate indicate
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lactose fermenter
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what is the colour change of MacConkey plate
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orange to deep pink
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do all the strains of E. coli cause diarrhoea
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no.
EHEC EPEC ETEC EIEC |
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clinical diseases of E. coli
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urinary tract infection
intra-abdominal infections neonatal infection |
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how do neonatal infection of E. coli acquire
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going though birth canal
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how does intra-abdominal infection of E. coli acquire
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after ruptured colon
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where is E. coli found in human
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normal flora of intestine
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what are the lactose fermenting aerobic -ve bacilli
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E. coli
Klebsiella Enterobacter |
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what are the non-motile aerobic -ve bacilli
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Klebsiella
Shigella Acinetobacter |
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what are the glucose fermenting aerobic -ve bacilli
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E. coli
Klebsiella Enterobacter Serratia Citrobacter Proteus Shigella Salmonella |
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what are the glucose non-fermenting aerobin -ve bacilli
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Pseudomonas
Acinetobacter |
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which aerobic -ve bacilli is capsulated
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Klebsiella
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what bacteria produce red pigment colonies on colourless plate
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Serratia marcesens
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what aerobic -ve bacilli are associated with hopsital outbreaks
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enterobacter
serratia citrobacter |
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what aerobic -ve bacilli can develop resistance to multiple antibiotics
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enterobacter
serratia citrobacter |
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what bacteria can swarm on agar surface
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Proteus
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what bacteria produce ureas
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Proteus
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clinical disease of Proteus
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urinary tract infection
renal stone |
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why Proteus is associated with renal stone
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- Proteus is urease +ve
- hydrolyze urea - turn the medium to alkali - crystals deposit |
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which bacteria has only 4 species
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Shigella
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what are the species of Shigella
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S. dysenteriae
S. flexneri S. boydii S. sonnei |
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clinical disease of Shigella
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Bacillary Dysentery
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Sx of bacillary dysentery
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blood and mucus in stool
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transmission of bacillary dysentery
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fecal-oral
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how many serotypes are there in Salmonella
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>2000
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clinical disease of Salmonella
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gastroenteritis
enteric fever |
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bacteria causing enteric fever
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S. typhi
S. paratyphi A, B, C |
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which aerobic -ve bacilli produce green pigment on culture
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Pseudomonas aeruginosa
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which aerobic -ve bacilli is intrinsically resistant to antibiotics
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P. aeruginosa
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morphology of Acinetobacter
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coccobacilli
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where in human can Acinetobacter be found
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skin flora
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what aerobic -ve bacilli are associated with HAI
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enterobacter
serratia citrobacter pseudomonas acinetobacter |
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what are the vibrios species
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Vibrio cholerae
Vibrio vulnificus Vibrio parahaemolyticus |
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morphology of Vibrio
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curved rod
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T/F: Vibrio is motile
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T.
motile by single flagellum |
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oxidase state of Vibrio
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+ve
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glucose state of Vibrio
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fermenter
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differentiation of V. cholerae and V. parahaemolyticus
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TCBS
green to yellow if sucrose fermenter |
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which Vibrio is sucrose fermenter
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V. cholerae
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which Vibrio is sucrose non-fermenter
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V. parahaemolyticus
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O2 requirement of Vibrios
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facultative anaerobic
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catalase state of Vibrio
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+ve
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which aerobic -ve bacilli is strongly haemolytic
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Pseudomonas
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clinical disease of V. cholerae
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cholera
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transmission of V. cholerae
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fecal-oral
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clinical disease of V. parahaemolyticus
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gastroenteritis
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clinical disease of V. vulnificus
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necrotizing fascittis
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which bacteria cause necrotizing fascittis
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V. vulnificus
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morphology of Campylobacter
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seafull shape
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temperature most suitable for Campylobacter
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42
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O2 requirement of Campylobacter
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microaerophilic
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medium for Campylobacter
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Skirrow medium
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Skirrow medium for?
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Campylobacter
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appearance of Skirrow medium
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tear-drop colonies
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where in human is Campylobacter found
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intestine
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clinical disease of Campylobacter
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gastroenteritis
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what show tear-drop colonies
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Campylobacter on Skirrow medium
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oxidase state of Campylobacter
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+ve
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CO2 requirement of Campylobacter
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10%
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what is Skirrow medium
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blood agar medium containing antibiotics
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what are the common species of campylobacter causing diarrhoea
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C. coli
C. jejuni |
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which Campylobacter grow well at 37
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C. fetus
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morphology of Helicobacter pylori
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S-shape
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urease state of Helicobacter pylori
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+ve
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O2 requirement of Helicobacter pylori
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microaerophilic
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site of colonization of Helicobacter pylori
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gastric mucosa
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clinical disease of Helicobacter pylori
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peptic ulcer
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what bacteria colonize gastric mucosa
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Helicobacter pylori
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morphology of Haemophilus influenzae
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coccobacilli
pleomorphic |
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CO2 requirement of Haemophilus influenzae
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5%
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where can Haemophilus influenzae be found in human
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URT
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culture medium for Haemophilus influenzae
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chocolate agar
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what is chocolate agar
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heated blood agar
X factor (haemin) V facter (NAD) |
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which serotypes of Haemophilus influenzae is the most virulent
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type b
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what dose type b Haemophilus influenzae cause
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epilottitis
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which Haemophilus influenzae vaccine is available
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Hib vaccine
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which bacteria show satellitism
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Haemophilus influenzae
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what is satellitism
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growth of Haemophilus influenzae on blood agar (X factor) near S. aureus which produce V factor
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what does Legionella pneumonphilia cause
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Legionnaire's disease
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what is legionnaire's disease
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atypical pneumonia
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culture medium for legionella pneumophilia
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BCYE agar
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where can legionella pneumophilia be found
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water
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CO2 requirement of legionella pneumophilia
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5%
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culture medium for Bordetella pertussis
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Bordet-Gengou agar
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clinical disease of Bordetella pertussis
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Pertussis
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what are the animal-associated aerobic -ve bacilli
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Brucella
Yersinia pestis |
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transmission of Brucella to human
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- animal-contact by cut, abrasion
- ingestion of contaminated food product |
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Sx of Brucella
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persistant fever
bacteremia |
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transmission of Yersinia pestia
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flea
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clinical disease of Yersinia pestis
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Plague
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natural of Yersinia pestis
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rodents
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morophology of Neisseria
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kidney bean shaped
diplococci |
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CO2 requirement of Neisseria
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5-10%
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catalase state of Neisseria
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+ve
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oxidase state of Neisseria
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+ve
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colonization sites of Neisseria
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oropharynx
GI genitourinary tract |
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culture of Neisseria gonorrhoea
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modified thayer martin agar
New York City agar |
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imporant bacteria in Neisseria
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N. gonorrhoeae
N. meningitidis |
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what does N. gonorrhoeae ferment
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glucose only
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what does N. meningitidis ferment
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glucose
maltose |
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clinical disease of N. gonorrhoeae
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gonorrhoea
neonatal conjuntivitis |
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clinical disease of N. menngitidis
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meningitis
bacteremia |
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morphology of Moraxella catarrhalis
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coccobacilli
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clinical diseases of Moraxella catarrhalis
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bronchitis
pneumonia otitis media |
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which Neisseria shows antibiotic resistance
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N. gonorrhoeae
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what environment does Neisseria sensitive to
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cold and dry
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which Neisseria has vaccine
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N. meningitidis
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what is the normal site of Neisseria
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oral
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