Mycobacteria General Characteristics
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Questions and Answers

What is the required volume of expectorated or aerosol-induced sputum for microscopy prior to culture?

  • 10-15mL
  • 1-5mL
  • 15-20mL
  • 5-10mL (correct)

    • What is the purpose of adding 10mL to 15mL of sterile saline to tissue specimens?

  • To enhance growth
  • To prevent dehydration (correct)
  • To detect M. avium complex
  • To preserve the tissue

    • What is the required volume of CSF for culture?

  • 2mL (correct)
  • 3mL
  • 1mL
  • 5mL

    • What is the inhibitory agent in egg-based media?

    <p>Malachite green</p> Signup and view all the answers

    What type of sample is used to detect nontuberculous mycobacteria?

    <p>BAL</p> Signup and view all the answers

    What is the purpose of using egg-based media?

    <p>To observe colony and morphology of pigmentation</p> Signup and view all the answers

    What is the approximate volume of abdominal fluid required for culture?

    <p>10-15mL</p> Signup and view all the answers

    What type of sample is used to identify patients with possible M. avium complex disease?

    <p>Feces</p> Signup and view all the answers

    How many days are sputum samples collected for?

    <p>3 days</p> Signup and view all the answers

    What is the purpose of collecting first morning midstream urine?

    <p>For ambulatory patients</p> Signup and view all the answers

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