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Questions and Answers
Which type of bacteria are Campylobacter C.jejuni and C.coli?
Which type of bacteria are Campylobacter C.jejuni and C.coli?
- Curved or S-shaped gram-negative rods (correct)
- Gram-positive cocci
- Cocci arranged in clusters
- Bacilli
What is a common characteristic of Campylobacter species in terms of oxygen requirements?
What is a common characteristic of Campylobacter species in terms of oxygen requirements?
- Anaerobic
- Microaerophilic (correct)
- Strictly aerobic
- Facultative anaerobic
Which of the following tests is NOT typically used to identify Campylobacter species?
Which of the following tests is NOT typically used to identify Campylobacter species?
- Catalase test
- Oxidase test
- Gram stain
- TSI test (correct)
What is a selective medium used for isolating Campylobacter from stool specimens?
What is a selective medium used for isolating Campylobacter from stool specimens?
Which of the following is a characteristic shared by Campylobacter C.jejuni and C.coli?
Which of the following is a characteristic shared by Campylobacter C.jejuni and C.coli?
At what temperature can some species of Campylobacter be selectively isolated?
At what temperature can some species of Campylobacter be selectively isolated?
What is the most common cause of bacterial gastroenteritis worldwide?
What is the most common cause of bacterial gastroenteritis worldwide?
Which type of medium is commonly used to transport feces and blood specimens for Campylobacter and Arcobacter?
Which type of medium is commonly used to transport feces and blood specimens for Campylobacter and Arcobacter?
What is the typical colony morphology of C.jejuni and other enteric campylobacters?
What is the typical colony morphology of C.jejuni and other enteric campylobacters?
How are Campylobacter spp. described in terms of their shape?
How are Campylobacter spp. described in terms of their shape?
Which of the following animals are primarily affected by Campylobacters in terms of causing abortion?
Which of the following animals are primarily affected by Campylobacters in terms of causing abortion?
What is the method used to detect both C.jejuni and C.coli Campylobacter spp.?
What is the method used to detect both C.jejuni and C.coli Campylobacter spp.?
What type of flagella does Vibrio cholerae produce when grown in broth?
What type of flagella does Vibrio cholerae produce when grown in broth?
Which of the following is a characteristic of V. cholerae O139?
Which of the following is a characteristic of V. cholerae O139?
In which media can V. cholerae produce peritrichous, unsheathed flagella?
In which media can V. cholerae produce peritrichous, unsheathed flagella?
Which biotype of epidemic V. cholerae produces a hemolysin?
Which biotype of epidemic V. cholerae produces a hemolysin?
What is the name of the heat-stable hemolysin produced by Vibrio parahaemolyticus?
What is the name of the heat-stable hemolysin produced by Vibrio parahaemolyticus?
Which Vibrio species requires 1% to 8% NaCl for growth?
Which Vibrio species requires 1% to 8% NaCl for growth?
What is a key virulence factor of H.pylori?
What is a key virulence factor of H.pylori?
How is H.pylori presumptively identified in a gastric biopsy specimen?
How is H.pylori presumptively identified in a gastric biopsy specimen?
Which test is recommended for monitoring therapy of H.pylori infection?
Which test is recommended for monitoring therapy of H.pylori infection?
How is urease activity detected in the urea breath test?
How is urease activity detected in the urea breath test?
What staining technique can be used on biopsy samples to aid in the identification of H.pylori?
What staining technique can be used on biopsy samples to aid in the identification of H.pylori?
Which gene is NOT an amplification target for detecting H.pylori?
Which gene is NOT an amplification target for detecting H.pylori?
What is the recommended medium for transporting stool specimens suspected of containing Vibrio spp?
What is the recommended medium for transporting stool specimens suspected of containing Vibrio spp?
Which Vibrio species is associated with recent consumption of raw seafood, especially oysters?
Which Vibrio species is associated with recent consumption of raw seafood, especially oysters?
What is the optimal pH range for taurocholate peptone broth used for enriching Vibrio spp. from stool specimens?
What is the optimal pH range for taurocholate peptone broth used for enriching Vibrio spp. from stool specimens?
What inhibits the growth of gram-positive organisms in Thiosulfate citrate bile salt sucrose (TCBS) agar?
What inhibits the growth of gram-positive organisms in Thiosulfate citrate bile salt sucrose (TCBS) agar?
What is the characteristic color of sucrose-fermenting colonies of some Vibrio species?
What is the characteristic color of sucrose-fermenting colonies of some Vibrio species?
What is the recommended incubation time for stool specimens in taurocholate peptone broth before subculturing to TCBS agar?
What is the recommended incubation time for stool specimens in taurocholate peptone broth before subculturing to TCBS agar?
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