Viridans group streptococci are normal inhabitants of which region?

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Prepare for the Clinical Laboratory Science Bacteriology Test. Engage with multiple choice questions and flashcards with helpful hints and explanations. Ace your exam confidently!

Multiple Choice

Viridans group streptococci are normal inhabitants of which region?

Explanation:
Viridans group streptococci are part of the normal flora of the mouth and upper airways. They routinely colonize the oral cavity and oropharynx, which is why you see them coming up in dental infections and why they can cause endocarditis after dental work. They are not typical residents of the skin, the lower parts of the gastrointestinal tract, or the lower urinary tract, making the upper respiratory tract (including the mouth and oropharynx) the correct site for their normal habitation.

Viridans group streptococci are part of the normal flora of the mouth and upper airways. They routinely colonize the oral cavity and oropharynx, which is why you see them coming up in dental infections and why they can cause endocarditis after dental work. They are not typical residents of the skin, the lower parts of the gastrointestinal tract, or the lower urinary tract, making the upper respiratory tract (including the mouth and oropharynx) the correct site for their normal habitation.

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