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Questions and Answers
Which of the following is NOT a component of the normal microbiome of the pharynx and nasal cavity?
Among the following, which bacterium is known for being a potent lactate fermenter and nitrate reducer in the pharynx and nasal cavity?
Which bacterium is associated with infections such as pneumonia, meningitis, and toxic shock syndrome in the upper respiratory tract?
What type of hemolysis is associated with Streptococcus pneumoniae in the upper respiratory microbiome?
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Which bacterium is known for requiring X factor (hemin) and V factor (NAD+) for growth in the upper respiratory tract?
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Which of the following is NOT an infection associated with Staphylococcus aureus in the upper respiratory tract microbiome?
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Which bacterium is known for causing diphtheria in the upper respiratory microbiome?
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What type of bacteria is Propionibacterium acnes in the upper respiratory microbiome?
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"Opportunistic pathogens abound" in the upper respiratory microbiome means that:
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What type of microbiota is typically found in the lower respiratory system?
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Which bacterium is known for being a potent lactate fermenter and nitrate reducer in the upper respiratory tract?
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Which bacterium is associated with infections such as pneumonia, meningitis, and toxic shock syndrome in the upper respiratory tract?
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Which bacterium is known for requiring X factor (hemin) and V factor (NAD+) for growth in the upper respiratory tract?
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What type of hemolysis is associated with Alpha-hemolytic Streptococci in the upper respiratory microbiome?
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What type of bacteria is Propionibacterium acnes in the upper respiratory microbiome?
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What is the primary role of the mucociliary escalator in the respiratory system?
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Study Notes
Upper Respiratory Microbiome
- Not a component of the normal microbiome of the pharynx and nasal cavity: TBD
- Moraxella is a potent lactate fermenter and nitrate reducer in the pharynx and nasal cavity
- Streptococcus pneumoniae is associated with infections such as pneumonia, meningitis, and toxic shock syndrome in the upper respiratory tract
- Streptococcus pneumoniae is associated with Alpha-hemolytic hemolysis in the upper respiratory microbiome
- Haemophilus influenzae requires X factor (hemin) and V factor (NAD+) for growth in the upper respiratory tract
- Not an infection associated with Staphylococcus aureus in the upper respiratory tract microbiome: TBD
- Corynebacterium diphtheriae is associated with causing diphtheria in the upper respiratory microbiome
- Propionibacterium acnes is a type of Gram-positive, anaerobic bacterium in the upper respiratory microbiome
Opportunistic Pathogens
- "Opportunistic pathogens abound" in the upper respiratory microbiome means that pathogens can cause disease when the host's defenses are compromised
Lower Respiratory System
- Typically found in the lower respiratory system: Sterile microbiota
Mucociliary Escalator
- The primary role of the mucociliary escalator in the respiratory system is to remove debris and pathogens from the airways
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Description
This quiz covers the microbiology of the upper respiratory tract, including the mucociliary escalator, alveolar macrophages, and the microbiome of the nose, nasal cavity, and pharynx. It also discusses the absence of resident microbiota in the lower respiratory system.
