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Questions and Answers
What is the characteristic morphology of H. pylori?
What is the characteristic morphology of H. pylori?
- Spiral-shaped gram-negative rod with multiple flagella at one pole (correct)
- Spiral-shaped gram-positive rod with single flagellum
- Bacillus-shaped gram-negative rod with spores
- Spherical gram-positive cocci in pairs
What is the optimal pH for the growth of H. pylori?
What is the optimal pH for the growth of H. pylori?
- pH of 6.0–7.0 (correct)
- pH of 1.0–2.0
- pH of 2.0–3.0
- pH of 7.4–8.0
In what type of environment does H. pylori grow?
In what type of environment does H. pylori grow?
- Aerobic environment
- Microaerophilic environment (correct)
- Highly acidic environment
- Anaerobic environment
What enzyme does H. pylori produce that yields production of ammonia and further buffering of acid?
What enzyme does H. pylori produce that yields production of ammonia and further buffering of acid?
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Which media is commonly used for primary isolation of H. pylori?
Which media is commonly used for primary isolation of H. pylori?
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