Medical Microbiology: Gram-Positive Bacteria
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Questions and Answers

Which type of infections are caused by Staphylococcus aureus?

  • Viral infections
  • Localized suppurative (pyogenic) inflammation (correct)
  • Fungal infections
  • Parasitic infections

Where is Staphylococcus aureus commonly found?

  • In plants
  • Human skin and nose (correct)
  • In soil
  • In water bodies

Why are hospital staff carriers of Staphylococcus aureus considered dangerous?

  • They carry parasitic infections
  • They are carriers of viral infections
  • They harbor β-lactamase resistant strains (correct)
  • They are resistant to all antibiotics

What clinical manifestations are necessary criteria for Toxic Shock Syndrome (TSS)?

<p>Rash, erythema, and in severe cases hypotension (A)</p> Signup and view all the answers

What characterizes Staphylococcal Scalded Skin Syndrome (SSSS)?

<p>Skin desquamation and bullous impetigo (A)</p> Signup and view all the answers

What is the primary mode of transmission of Bacillus anthracis to humans?

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

What is the characteristic feature of cutaneous anthrax?

<p>Development of a brown or black eschar (B)</p> Signup and view all the answers

Which form of anthrax can be fatal in up to 90 percent of cases if left untreated?

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

How are Bacillus anthracis spores used in biological warfare?

<p>Released into the atmosphere to be inhaled (B)</p> Signup and view all the answers

What was the approximate death rate during the 2001 anthrax attacks with treatment?

<p>Around 25 percent (D)</p> Signup and view all the answers

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