72 Questions
What is one of the ways in which a healthy normal microbiota can aid the host?
Aiding in the digestion of food
From where does most of an individual's microbiota come from?
Mother
What is a factor that influences the development of the microbiota in the GI tract?
Weaning
What is a characteristic of dental plaque?
Multi-species ecosystem with a base layer of Streptococci
What is the function of the pellicle in oral microbiology?
Serving as a binding site for Streptococci
What is a characteristic of the 'sterile' sites in the body?
They are thought to be free of microbiota
What is the primary role of normal GI microbiota in the host?
To aid in the development of mucosa immunity
Which species is most commonly associated with localized aggressive periodontitis?
Actinobacillus actinomycetem-comitans
What is the primary role of Streptococcus salivarius?
To inhibit the colonization of many pathogenic bacteria
What is the name of the disease that results from the progression of gingivitis, involving inflammation and infection of the ligaments and bones that support the teeth?
Periodontitis
Which bacteria is known to cause bone resorption?
Actinobacillus actinomycetem-comitans
What is the name of the disease that involves inflammation and destruction of the gingival tissues?
Gingivitis
What is the primary cause of halitosis?
Porphyromonas gingivalis
What is the most common cause of caries?
Streptococcus mutans
What is the primary role of the oral microbiota?
To inhibit the colonization of many pathogenic bacteria
What is the primary factor that determines the composition of a child's bacterial microbiota?
Mother's microbiota
What is the term for the initial stage of tooth decay, characterized by a white spot?
Incipient lesion
What is the primary cause of gingivitis?
Plaque-induced inflammation
Which bacterium is commonly associated with localized aggressive periodontitis?
Actinobacillus actinomycetem-comitans
What is the term for the progression of gingivitis, involving inflammation and infection of the ligaments and bones that support the teeth?
Periodontitis
What is the role of the human microbiota in immunity?
They occupy ecological niches and induce low levels of circulating and secretory antibodies
Which virus is associated with hemorrhagic fever?
Ebola virus
What is Enterovirus D68, and what are its associated symptoms?
A respiratory virus that causes mild cold symptoms and may lead to limb paralysis
What is the term for the bacteria that produce enzymes that contribute to the destruction of gum tissue and bone?
Porphyromonas gingivalis
What is the primary mode of transmission of Zika virus?
Mosquito bites, blood transfusions, and sexual contact
What is the term for the symptoms associated with severe pneumonia, including fever, coughing, and respiratory distress?
Severe pneumonia
What percentage of yellow fever cases progress to a more severe form of the disease?
15%
What is the primary mode of transmission for Zika virus?
Mosquito-borne
What is the name of the bacteria that causes most cavities?
Strep mutans
What is the name of the disease caused by SARS-CoV-2?
Covid-19
What is the name of the beneficial oral microbe?
Strep salivarius
In an infected person, which body fluid would have the most HIV particles?
Blood
What is the primary function of the normal GI microbiota?
To aid in digestion of food and produce nutrients
Which of the following body regions is NOT considered 'sterile'?
Mouth
What is the term for the protein coat on the enamel of the teeth?
Pellicle
What influences the development of the microbiota in the GI tract?
All of the above
Which type of ecosystem is dental plaque?
Multi-species ecosystem
Which bacterium is known to cause bone resorption and is also associated with halitosis?
Porphyromonas gingivalis
What is the primary cause of gingivitis?
Dental plaque
What is the term for the disease that results from the progression of gingivitis, involving inflammation and infection of the ligaments and bones that support the teeth?
Periodontitis
What is the name of the respiratory virus that causes mild cold symptoms, but can also lead to limb paralysis and neurological complications?
Enterovirus D68
What is the term for the initial stage of tooth decay, characterized by a white spot?
Incipient lesion
What is the primary role of Streptococcus salivarius in the oral cavity?
Inhibiting the colonization of many pathogenic bacteria
Which bacteria is known to cause bone resorption?
Actinobacillus actinomycetem-comitans
What is a factor that influences the development of the microbiota in the GI tract?
All of the above
What percentage of yellow fever cases progress to a more severe form of the disease?
15%
What is the primary cause of halitosis?
Porphyromonas gingivalis
What is the name of the disease caused by the Ebola Virus?
Hemorrhagic fever
What is a characteristic of the 'sterile' sites in the body?
They are completely free of microbes
What is the name of the virus that causes most cases of atypical pneumonia?
Mycoplasma pneumoniae
What is the primary source of microbiota for a child?
Mother
What is the name of the beneficial oral microbe?
Streptococcus salivarius
What is one of the ways a healthy normal microbiota can aid the host?
Aid in digestion of food
From where does most of your microbiota come?
Mother
What is a pellicle?
A protein coat on the enamel of the teeth
What are 'sterile' sites in the body?
Sites with no bacteria
What influences the development of the microbiota in the GI tract?
All of the above
What is the primary cause of the destruction of gingival tissues?
Plaque-induced inflammation
What is the term for the disease that results from the progression of gingivitis?
Periodontitis
What is the primary role of the human microbiota in immunity?
To induce low levels of circulating and secretory antibodies
What is the primary mode of transmission for SARS-CoV-2?
Droplets and aerosols
What is the primary cause of Enterovirus D68-associated symptoms?
Respiratory virus infection
What is the primary function of the normal GI microbiota?
Producing nutrients and aiding in the development of mucosa immunity
What is the result of the progression of gingivitis?
Periodontitis
Which bacterium is commonly associated with localized aggressive periodontitis?
Actinobacillus actinomycetemcomitans
What influences the development of the microbiota in the GI tract?
All of the above
What is the primary cause of halitosis?
Porphyromonas gingivalis
What percentage of yellow fever cases progress to a more severe form of the disease?
15%
What is the name of the virus that causes Covid-19?
SARS-CoV-2
What is the primary source of microbiota for a child?
Mother
What is the name of the disease caused by the Ebola Virus?
Hemorrhagic fever
What is the name of the bacterium that causes most cavities?
Strep mutans
Learn about the benefits of a healthy normal microbiota, dominant species in different body regions, and the factors that influence microbiota. Explore how microbiota aid digestion, produce nutrients, and protect against pathogens.
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