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Cards (100)
What type of flagella do Pseudomonas bacteria have?
Polar flagella
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What type of respiration do Pseudomonas bacteria perform?
Aerobic respiration
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In which part of the body do Pseudomonas bacteria flourish?
In the
lungs
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What can Pseudomonas bacteria use instead of oxygen?
Nitrogen
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What is the primary bacterium responsible for infections in humans among Pseudomonas species?
Pseudomonas aeruginosa
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What types of infections can Pseudomonas aeruginosa cause in humans?
Respiratory infections,
bacteraemia
,
CNS
infections,
ear infections
, eye infections, and bone and joint infections
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What is Ralstonia solanacearum known for?
Causing
wilt
diseases in cultivated plants
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What is one use of Pseudomonas syringae?
Ice nucleation
to prevent frost damage
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What disease does Burkholderia pseudomallei cause?
Melioidosis
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Where is Burkholderia pseudomallei commonly found?
In
soil
,
water
, and
rice paddies
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What type of infection can melioidosis cause?
Localized
infection from a break in the skin or pulmonary infection
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What is Burkholderia cepacia associated with?
Cystic fibrosis
infections
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Where do Enterobacteriaceae typically inhabit?
The
gastrointestinal
tract of hosts like humans, animals, and
insects
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What are common routes of infection for Enterobacteriaceae?
Oral, via wounds,
urinary tract
, and respiratory tract
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What diseases are commonly caused by Enterobacteriaceae?
Diarrhoea
, sepsis, urinary tract infections,
CNS infections
, and brain infections
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What type of fermenter is Salmonella?
Non-lactose fermenter
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What test is Salmonella indole test result?
Indole test
negative
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What does H2S production indicate in Salmonella?
It
indicates
the
ability
to
produce
hydrogen sulfide
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What is the role of T3SS in Salmonella?
It transfers
proteins
from
bacterial cytoplasm
to
host cells
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What does SPI1 encode in Salmonella?
Genes necessary for invasion of
intestinal epithelial cells
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What does SPI2 encode in Salmonella?
Genes essential for
intracellular
replication and systemic infection
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What are the symptoms of typhoid fever caused by Salmonella typhi?
Slow fever, rose spots, and mild
bacteraemia
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What is Salmonella enterica commonly known as?
Salmonella enteritidis
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What are the symptoms of non-typhoid salmonella infections?
Diarrhea
,
fever
, and
stomach cramps
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What is the primary habitat of Escherichia coli?
The mammalian
gastrointestinal
tract
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What is Shiga toxin producing E. coli also known as?
STEC
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What is uropathogenic E. coli (UPEC) commonly associated with?
Urinary
tract
infections
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Why are urinary tract infections more common in females?
Due to a shorter
urethra
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What is the primary virulence factor of meningitis-associated E. coli (MNEC)?
1
antigen
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What is the main cause of gastrointestinal infections by intestinal pathogenic E. coli (InPEC)?
Transmission by
infected
food
and
water
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What are the types of E. coli based on their pathogenicity?
ETEC
,
EIEC
,
EAggEC
,
EPEC
,
EHEC/STEC
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What is the most ancient cause of epidemics among Shigella species?
dysenteriae
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Which Shigella species is most frequent in developed world cases?
flexneri
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What is the first line treatment for Shigella infections?
Fluoroquinolones
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How is Shigella primarily spread?
Faecal-oral
and person-to-person spread
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What is the typical age group affected by Yersinia enterocolitica?
Most common in children around
7 years old
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What type of plague is caused by Yersinia pestis?
Pneumonic
and
bubonic
plague
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How does bubonic plague spread in the body?
It is transported to
regional lymph nodes
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What is the transmission method for pneumonic plague?
Transmitted in
aerosols
and highly
contagious
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What is the role of M cells in Yersinia infection?
They help the bacteria cross the
epithelial
barrier
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