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18 Questions

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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?

Creates significant psychological disturbance (A) Signup and view all the answers

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

Mutans group (D) Signup and view all the answers

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

S.mutans (A) Signup and view all the answers

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

Salivarius group (C) Signup and view all the answers

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

α-hemolysis (B) Signup and view all the answers

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

To identify bacterial species (D) Signup and view all the answers

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

MacConkey Agar (D) Signup and view all the answers

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

Urine sample (B) Signup and view all the answers

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

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

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

Penicillinase (B) Signup and view all the answers

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

Maldi-TOF MS (D) Signup and view all the answers

What is the function of Protein A in Staphylococcus aureus?

Antiphagocytic (A) Signup and view all the answers

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

Studying biological markers in the genome and proteome (B) Signup and view all the answers

Which cell surface component of Staphylococcus aureus provides antiphagocytic properties?

Capsule (C) Signup and view all the answers

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

Connective tissue breakdown (D) Signup and view all the answers