Microbial Aerosols in Dentistry

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Questions and Answers

Which of the following best describes the generation of microbial aerosols in dentistry?

  • Aerosols are generated when dental equipment is cleaned
  • Aerosols are generated through the use of dental handpieces and ultrasonic scalers (correct)
  • Aerosols are generated when water is used in dental procedures
  • Aerosols are generated when patients speak during dental treatment

Which of the following represents a bacterial disease condition that can develop via aerosolized microorganisms in dentistry?

  • Herpes simplex virus infection
  • HIV infection
  • Legionnaires' disease (correct)
  • Tuberculosis

What is the continuing mutation and adaptation of influenza viruses related to?

  • Viral infections (correct)
  • Parasitic infections
  • Bacterial infections
  • Fungal infections

In the context of tuberculosis reemergence, what does 'infection versus active disease' refer to?

<p>Asymptomatic infection versus symptomatic tuberculosis disease (D)</p> Signup and view all the answers

What does the application of respiratory infection control measures aim to protect in dentistry?

<p>Exposed dental healthcare personnel (A)</p> Signup and view all the answers

Which type of change in surface antigens may result in a worldwide pandemic if the virus is efficiently transmitted from person to person?

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

What is the diameter of droplet nuclei that are formed by dehydration of airborne droplets containing microorganisms?

<p>Less than 1 μm (A)</p> Signup and view all the answers

What is the most common mode of transmission for the COVID-19 virus?

<p>Direct transmission through respiratory droplets (D)</p> Signup and view all the answers

Which type of infection exhibits a small rounded nodule produced by infection with Mycobacterium tuberculosis?

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

What type of respirator is recommended to prevent the inhalation of droplet nuclei of M. tuberculosis?

<p>N95 disposable respirators (C)</p> Signup and view all the answers

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