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Questions and Answers
What is the dominant bacterial species found in dental plaque?
What is the dominant bacterial species found in dental plaque?
- Lactobacilli
- Streptococcus sanguis (correct)
- Staphylococcus aureus
- Corynebacteria
Which segment of the digestive tract contains approximately 10^11 bacteria per 1 gram of feces?
Which segment of the digestive tract contains approximately 10^11 bacteria per 1 gram of feces?
- Small intestine
- Esophagus
- Colon (correct)
- Stomach
What is the normal flora composition of the lower respiratory tract?
What is the normal flora composition of the lower respiratory tract?
- Enterococci
- Predominantly anaerobic bacteria
- Lactobacilli spp.
- Gram-negative bacilli (correct)
Which bacterium is commonly found in the vaginal flora?
Which bacterium is commonly found in the vaginal flora?
What is the approximate number of bacteria present in a milliliter of saliva?
What is the approximate number of bacteria present in a milliliter of saliva?
What term refers to the ability of a germ to trigger morbid, pathogenic phenomena in the host organism?
What term refers to the ability of a germ to trigger morbid, pathogenic phenomena in the host organism?
Which term describes the different degree of pathogenicity expressed within a microbial species?
Which term describes the different degree of pathogenicity expressed within a microbial species?
What is the term used to quantify virulence by the number of microorganisms required to kill 50% of a group of animals?
What is the term used to quantify virulence by the number of microorganisms required to kill 50% of a group of animals?
Which factor influences the variability in the expression of pathogenicity of a microbial species?
Which factor influences the variability in the expression of pathogenicity of a microbial species?
How do pathogens primarily produce infections in the host organism?
How do pathogens primarily produce infections in the host organism?
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