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