Microbial Growth Control

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Questions and Answers

What did Ignaz Semmelweis and Joseph Lister develop in the mid-1800s?

  • Antibiotics for treating infections
  • Diagnostic tools for identifying microbes
  • Microbial control practices for medical procedures (correct)
  • Vaccines for preventing diseases

What did Pasteur's work on microorganisms lead scientists to believe?

  • Microbes were only present in non-medical environments
  • Microbes were beneficial for human health
  • Microbes were a possible cause of disease (correct)
  • Microbes had no impact on human health

What were hospital-acquired infections known as in the mid-1800s?

  • Post-operative infections
  • Nosocomial infections (correct)
  • Medical facility infections
  • Surgical infections

What was the cause of death in at least 10% of surgical cases before the mid-1800s?

<p>Hospital-acquired infections (A)</p> Signup and view all the answers

What did a surgeon in the American Civil War might have used to clean his scalpel?

<p>Chloride of lime (D)</p> Signup and view all the answers

What did Ignaz Semmelweis and Joseph Lister develop in the mid-1800s?

<p>Microbe-killing chloride of lime for hand washing (C)</p> Signup and view all the answers

What was the cause of death in at least 10% of surgical cases before the mid-1800s?

<p>Nosocomial infections (C)</p> Signup and view all the answers

What did Pasteur's work on microorganisms lead scientists to believe?

<p>Microbes were a possible cause of disease (C)</p> Signup and view all the answers

What did the Hungarian physician Ignaz Semmelweis and English physician Joseph Lister use to develop microbial control practices?

<p>Thinking that microbes were a possible cause of disease (D)</p> Signup and view all the answers

What did the scientific control of microbial growth begin?

<p>About 100 years ago (B)</p> Signup and view all the answers

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