Microbiology in Dentistry and Pioneers
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Questions and Answers

Why is the study of microbiology important in dentistry?

  • To understand how to prevent disease transmission in the dental office (correct)
  • To study the history of dentistry
  • To improve patient comfort during dental visits
  • To learn about different dental procedures

Which of the following are common oral diseases mentioned in the text?

  • Hepatitis and tonsillitis
  • Skin rashes and chickenpox
  • Gingivitis and tooth decay (correct)
  • Viral infections and strep throat

What is the definition of microbiology as provided in the text?

  • The branch of psychology that deals with microorganisms
  • The science of studying planets and stars
  • The study of microscopic life forms (correct)
  • The science of studying large organisms

Which microorganisms are included in the study of microbiology according to the text?

<p>Virus, fungi, and algae (D)</p> Signup and view all the answers

What percentage of microorganisms are actually pathogenic according to the text?

<p><strong>3%</strong> (C)</p> Signup and view all the answers

What is the purpose of maintaining aseptic technique in dentistry?

<p><strong>To prevent infections from spreading</strong> (D)</p> Signup and view all the answers

What did Robert Koch develop that proved whether a particular organism is the cause of a disease?

<p>Koch's postulates (A)</p> Signup and view all the answers

Which of the following is NOT one of Koch's postulates?

<p>Healthy individuals must exhibit the disease for the causative agent to be present. (A)</p> Signup and view all the answers

What is an exception to Koch's postulates?

<p>Healthy individuals carrying a pathogen but not exhibiting the disease (B)</p> Signup and view all the answers

What did Julius Petri invent that is commonly used in microbiology to isolate bacterial colonies?

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

Why are some pathogens considered impossible to culture in a pure culture?

<p>They require a living host to survive and grow. (D)</p> Signup and view all the answers

What distinguishes opportunistic infections from other types of infections?

<p>They can invade a host when the host's defenses are weakened. (C)</p> Signup and view all the answers

Who is credited with building the first magnifying lens to describe microorganisms?

<p>Anton Van Leeuwenhoek (C)</p> Signup and view all the answers

Which century saw the discovery of microorganisms and the theory of abiogenesis?

<p>17th century (A)</p> Signup and view all the answers

What did Anton Van Leeuwenhoek refer to microorganisms as?

<p>'Animacules' and 'little beasties' (A)</p> Signup and view all the answers

What was the theory of abiogenesis in relation to the origin of life?

<p>Life arose spontaneously from nonliving matter (C)</p> Signup and view all the answers

According to a 17th-century 'Mice recipe', how were mice believed to be created?

<p>Sweat from underwear penetrated wheat and changed them into mice (B)</p> Signup and view all the answers

Who developed the first vaccine using cowpox to protect against smallpox?

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

Which scientist disproved spontaneous generation and developed the germ theory of disease?

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

What did Louis Pasteur use for immunization against rabies?

<p>Wine/Yeast/Sugar (B)</p> Signup and view all the answers

Who is known as the 'Father of Antisepsis'?

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

What temperature did Louis Pasteur heat wine/beer to in order to prevent spoilage?

<p>$50$C for 1 min (D)</p> Signup and view all the answers

Who showed that childbed fever was transmitted through unwashed hands?

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

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