Bacteria1
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Questions and Answers

What is a potential treatment for dental implant infection?

  • Filling the implant with more bacteria
  • Leaving the infection untreated
  • Local debridement (correct)
  • Avoiding oral hygiene practices

Which bacterial infection disease leads to destruction of soft and hard tissues in the oral cavity?

  • Tuberculosis
  • Candidiasis
  • Common cold
  • Cancrum oris (Noma) (correct)

What is a common risk factor for developing Cancrum oris (Noma)?

  • Adequate oral hygiene
  • Living in a clean environment
  • Regular dental check-ups
  • Malnutrition (correct)

How can halitosis (bad breath) affect individuals according to the text?

<p>Creates significant psychological disturbance (A)</p> Signup and view all the answers

Which group of oral streptococci is most prevalent on the pits and fissures in the oral cavity?

<p>Mutans group (D)</p> Signup and view all the answers

What is the primary organism involved in dental caries according to the text?

<p>S.mutans (A)</p> Signup and view all the answers

Which species of oral streptococci can support biofilms formed by S.mutans?

<p>Salivarius group (C)</p> Signup and view all the answers

Which type of hemolysis do oral streptococci typically show on blood agar?

<p>α-hemolysis (B)</p> Signup and view all the answers

What is the purpose of Negative Acute Phase Reactants mentioned in the text?

<p>To identify bacterial species (D)</p> Signup and view all the answers

Which agar is commonly used for aerobic culture based on the text?

<p>MacConkey Agar (D)</p> Signup and view all the answers

Which method is used for detecting Legionella pneumophila antigens directly from a sample?

<p>Urine sample (B)</p> Signup and view all the answers

What does Malidi-TOF MS stand for as mentioned in the text?

<p>Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (A)</p> Signup and view all the answers

Which enzyme produced by Staphylococcus aureus breaks down ß-lactam drugs?

<p>Penicillinase (B)</p> Signup and view all the answers

Which technique mentioned in the text provides species-level diagnosis within 25 minutes for 96 samples?

<p>Maldi-TOF MS (D)</p> Signup and view all the answers

What is the function of Protein A in Staphylococcus aureus?

<p>Antiphagocytic (A)</p> Signup and view all the answers

What is the main focus of Molecular Diagnostic Methods discussed in the text?

<p>Studying biological markers in the genome and proteome (B)</p> Signup and view all the answers

Which cell surface component of Staphylococcus aureus provides antiphagocytic properties?

<p>Capsule (C)</p> Signup and view all the answers

What is the main function of hyaluronidase produced by Staphylococcus aureus?

<p>Connective tissue breakdown (D)</p> Signup and view all the answers

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