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Questions and Answers
Which of the following Vibrio species is a lactose fermenter?
Which of the following Vibrio species is a lactose fermenter?
- V. alginolyticus
- V. cholerae (correct)
- V. fluvialis
- V. vulnificus
Which Vibrio species is capable of growth on MacConkey agar and is oxidase positive?
Which Vibrio species is capable of growth on MacConkey agar and is oxidase positive?
- V. fluvialis
- V. alginolyticus
- V. vulnificus
- V. cholerae (correct)
Which Vibrio species is non-halophilic and alkalinophilic?
Which Vibrio species is non-halophilic and alkalinophilic?
- V. cholerae
- V. alginolyticus (correct)
- V. vulnificus
- V. fluvialis
What is the result of the string test for VIBRIO species?
What is the result of the string test for VIBRIO species?
Which Vibrio species is associated with causing cholera and producing rice watery stool?
Which Vibrio species is associated with causing cholera and producing rice watery stool?
Which Vibrio species forms smooth and yellow colonies on Thiosulfate–citrate–bile salts–sucrose agar after 24 hours?
Which Vibrio species forms smooth and yellow colonies on Thiosulfate–citrate–bile salts–sucrose agar after 24 hours?
Which of the following characteristics is associated with Vibrio cholerae O1 serotype?
Which of the following characteristics is associated with Vibrio cholerae O1 serotype?
What is the temperature range in which Pseudomonas aeruginosa can grow?
What is the temperature range in which Pseudomonas aeruginosa can grow?
What is the primary pigment associated with Pseudomonas aeruginosa?
What is the primary pigment associated with Pseudomonas aeruginosa?
Which species is commonly found in contaminated water and seafood, and causes gastroenteritis?
Which species is commonly found in contaminated water and seafood, and causes gastroenteritis?
What is the disease associated with Vibrio mimicus?
What is the disease associated with Vibrio mimicus?
Which biochemical tests are positive for Pseudomonas aeruginosa?
Which biochemical tests are positive for Pseudomonas aeruginosa?
Which Vibrio species is halophilic and causes wound and ear infection?
Which Vibrio species is halophilic and causes wound and ear infection?
Which of the following characteristics is associated with Aeromonas hydrophila?
Which of the following characteristics is associated with Aeromonas hydrophila?
'Hot tub/ jacuzzi folliculitis' is associated with which bacterial species?
'Hot tub/ jacuzzi folliculitis' is associated with which bacterial species?
'Anuria' is a symptom associated with which of the following bacterial species?
'Anuria' is a symptom associated with which of the following bacterial species?
Which bacterial species is associated with severe dehydration, loss of fluids and electrolytes, severe muscle cramping, and anuria?
Which bacterial species is associated with severe dehydration, loss of fluids and electrolytes, severe muscle cramping, and anuria?
Which bacterial species is non-halophilic and capable of causing wound and ear infection?
Which bacterial species is non-halophilic and capable of causing wound and ear infection?
Which bacterial species is known as the 'agent of blue-green pus' and is associated with causing ventilator-associated pneumonia?
Which bacterial species is known as the 'agent of blue-green pus' and is associated with causing ventilator-associated pneumonia?
Which Vibrio species is capable of growth on MacConkey agar and is oxidase positive?
Which Vibrio species is capable of growth on MacConkey agar and is oxidase positive?
Which bacterial species is known to produce the pigment Pyocyanin and is commonly associated with causing swimmer's ear?
Which bacterial species is known to produce the pigment Pyocyanin and is commonly associated with causing swimmer's ear?
Which Vibrio species forms smooth and yellow colonies on Thiosulfate–citrate–bile salts–sucrose agar after 24 hours?
Which Vibrio species forms smooth and yellow colonies on Thiosulfate–citrate–bile salts–sucrose agar after 24 hours?
Which Vibrio species is a lactose fermenter and is commonly found in contaminated water and seafood, causing gastroenteritis?
Which Vibrio species is a lactose fermenter and is commonly found in contaminated water and seafood, causing gastroenteritis?
Which characteristic is associated with Aeromonas hydrophila?
Which characteristic is associated with Aeromonas hydrophila?
'Obligate aerobe' and 'grapelike or corn tortilla odor' are characteristics associated with which bacterial species?
'Obligate aerobe' and 'grapelike or corn tortilla odor' are characteristics associated with which bacterial species?
Which bacterial species is known to cause 'malignant otitis externa' or 'swimmer's ear' and is a contaminant in contact lens care solution?
Which bacterial species is known to cause 'malignant otitis externa' or 'swimmer's ear' and is a contaminant in contact lens care solution?
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Study Notes
Vibrio Species Characteristics
- Vibrio parahaemolyticus is a lactose fermenter.
- Vibrio vulnificus is capable of growth on MacConkey agar and is oxidase positive.
- Vibrio alginolyticus is non-halophilic and alkalinophilic.
Vibrio cholerae Characteristics
- Vibrio cholerae causes cholera and produces rice watery stool.
- Vibrio cholerae O1 serotype is associated with a mucoid, agglutination (cholera red) reaction.
- Vibrio cholerae forms smooth and yellow colonies on Thiosulfate–citrate–bile salts–sucrose agar after 24 hours.
- A string test for Vibrio species is positive, indicating the presence of an agglutinin.
Pseudomonas aeruginosa Characteristics
- Pseudomonas aeruginosa can grow in a temperature range of 25-42°C.
- Pseudomonas aeruginosa produces a blue-green pigment called pyocyanin.
- Pseudomonas aeruginosa causes ventilator-associated pneumonia and is known as the 'agent of blue-green pus'.
- Pseudomonas aeruginosa produces pyocyanin and is commonly associated with causing swimmer's ear.
Other Bacterial Species Characteristics
- Aeromonas hydrophila is non-halophilic and capable of causing wound and ear infection.
- Aeromonas hydrophila is an obligatory aerobe and has a grapelike or corn tortilla odor.
- Vibrio mimicus causes gastroenteritis and is commonly found in contaminated water and seafood.
- Vibrio vulnificus is halophilic and causes wound and ear infection.
- Pseudomonas aeruginosa is associated with 'hot tub/jacuzzi folliculitis'.
- Vibrio cholerae causes severe dehydration, loss of fluids and electrolytes, severe muscle cramping, and anuria.
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