Bacillus Anthracis and Bacillus Cereus Characteristics Quiz
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Questions and Answers

What is the primary mode of transmission for anthrax spores?

  • Exposure to contaminated water sources
  • Inhaling spores from infected animals (correct)
  • Direct contact with infected individuals
  • Ingesting contaminated food

What is the significance of the 'Viking ship with a mast' image in the text?

  • It represents the shape of a chest X-ray showing a widened mediastinum, a sign of pulmonary anthrax (correct)
  • It symbolizes the transportation of anthrax spores by Viking ships
  • It is a visual representation of the treatment for anthrax using a fluoroquinolone or doxycycline
  • It is a metaphor for the rapid spread of anthrax through a population

What is the significance of the 'Flower and Bicycle wheel' image on the Viking ship?

  • It represents the toxin produced by Bacillus cereus that causes food poisoning
  • It signifies the diagnostic tests used to identify anthrax, such as Gram stain and culture
  • It symbolizes the rapid spread of anthrax through a population
  • It is a visual representation of the treatment for anthrax using a fluoroquinolone or doxycycline (correct)

What is the primary pathogenic mechanism of the diarrheal toxin produced by Bacillus cereus?

<p>It increases cAMP levels, leading to watery diarrhea (B)</p> Signup and view all the answers

Which of the following is a key diagnostic tool for identifying anthrax infection?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary reason for the high mortality rate associated with pulmonary anthrax?

<p>The rapid progression to hemorrhagic mediastinitis (A)</p> Signup and view all the answers

What unique characteristic distinguishes the leather armor of Bacillus Anthracis and Bacillus cereus from others?

<p>It is made of protein (polypeptide) instead of polysaccharide (A)</p> Signup and view all the answers

Which bacterial species mentioned in the text is capable of surviving in extreme environments due to its spore-forming ability?

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

What toxin functions as an adenylyl cyclase, increasing cAMP intracellularly and causing fluid to go extracellularly?

<p>Edema Factor (EF) (A)</p> Signup and view all the answers

Which factor acts as a protease and cleaves MAP Kinase, responsible for cell growth?

<p>Lethal Factor (LF) (D)</p> Signup and view all the answers

What is the main function of Protective Antigen (PA) in the disease process?

<p>Mediates entry of toxins into eukaryotic cells (B)</p> Signup and view all the answers

Which mode of transmission is associated with Bacillus Anthracis according to the text?

<p>Contact with infected animals or inhalation of spores (B)</p> Signup and view all the answers

What is the primary reason for the high mortality rate associated with pulmonary anthrax?

<p>The rapid progression of the disease to hemorrhagic mediastinitis (A)</p> Signup and view all the answers

What is the significance of the 'Viking ship with a mast' image in the text?

<p>It is meant to depict the widened mediastinum, a characteristic x-ray finding in pulmonary anthrax (B)</p> Signup and view all the answers

Which mode of transmission is associated with Bacillus Anthracis according to the text?

<p>Direct contact with infected animals (C)</p> Signup and view all the answers

What is the primary pathogenic mechanism of the diarrheal toxin produced by Bacillus cereus?

<p>It increases cAMP, leading to fluid secretion and diarrhea (D)</p> Signup and view all the answers

Which bacterial species mentioned in the text is capable of surviving in extreme environments due to its spore-forming ability?

<p>Both Bacillus Anthracis and Bacillus cereus (C)</p> Signup and view all the answers

What is the significance of the 'Flower and Bicycle wheel' image on the Viking ship?

<p>It represents the treatment options for anthrax, which include fluoroquinolones or doxycycline (B)</p> Signup and view all the answers

What is the primary virulence factor of Bacillus Anthracis that regulates pathogenesis by temperature, CO2, and serum?

<p>Protective Antigen (D)</p> Signup and view all the answers

Which feature distinguishes Bacillus Anthracis and Bacillus cereus leather armor from others?

<p>Made of a protein (polypeptide) (A)</p> Signup and view all the answers

Which toxin functions as an adenylyl cyclase, increasing cAMP intracellularly and leading to edema formation?

<p>Edema Factor Toxin (D)</p> Signup and view all the answers

In which specific part of the body does pulmonary anthrax primarily affect humans?

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

Which bacterial species mentioned has the ability to form spores, enabling survival in extreme environments?

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

What is the mode of transmission associated with acquiring pulmonary anthrax described in the text?

<p>Inhalation of spores (C)</p> Signup and view all the answers

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