Antibiotic Sensitivity Testing (AST) Quiz

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Questions and Answers

What does it mean if a microorganism is classified as 'Intermediate' in the Antibiotic Sensitivity Test?

  • The tested antibiotic stopped the growth or killed the bacteria causing the infection
  • The antibiotic may work at a higher dose (correct)
  • The microorganism is completely resistant to the antibiotic
  • The antibiotic did not stop the growth or kill the bacteria causing the infection

What is the main purpose of the Antibiotic Sensitivity Test (AST)?

  • To measure the growth of microorganisms in vitro
  • To classify microorganisms into sensitive, intermediate, and resistant groups
  • To directly kill the bacteria causing the infection
  • To guide treatment and help in selecting the best antimicrobial agent for patients (correct)

What does the Antibiotic Sensitivity Test measure?

  • The size of the microorganism colonies
  • The genetic makeup of the microorganisms
  • The ability of an antimicrobial agent to inhibit the growth of microorganisms (correct)
  • The number of microorganisms present in the sample

What does it mean if a microorganism is classified as 'Resistant' in the Antibiotic Sensitivity Test?

<p>The microorganism is completely resistant to the antibiotic (A)</p> Signup and view all the answers

Which group do microorganisms belong to if the tested antibiotic stopped the growth or killed the bacteria causing the infection in the Antibiotic Sensitivity Test?

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

Which enzyme is involved in the Indole test?

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

What is the purpose of the IMViC tests?

<p>To identify enteric bacteria (D)</p> Signup and view all the answers

What color indicates a positive result in the Indole test?

<p>Red ring at the top (C)</p> Signup and view all the answers

Which test is used to detect acidic products from bacterial metabolism?

<p>Methyl red test (A)</p> Signup and view all the answers

What is the significance of the Voges-Proskauer test?

<p>It detects acetoin production (D)</p> Signup and view all the answers

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