What is the most common laboratory method used to identify Mycobacterium tubercu

Practice Questions

Q1
What is the most common laboratory method used to identify Mycobacterium tuberculosis?
  1. Gram stain
  2. Acid-fast bacilli stain
  3. Culture on blood agar
  4. PCR amplification

Questions & Step-by-Step Solutions

What is the most common laboratory method used to identify Mycobacterium tuberculosis?
  • Step 1: Understand that Mycobacterium tuberculosis is the bacteria that causes tuberculosis (TB).
  • Step 2: Learn that laboratories need a way to identify this specific bacteria.
  • Step 3: Know that Mycobacterium tuberculosis has a special cell wall that makes it different from other bacteria.
  • Step 4: Discover that the acid-fast bacilli stain is a laboratory test that highlights this unique cell wall.
  • Step 5: Realize that this staining method allows scientists to see the bacteria under a microscope.
  • Step 6: Conclude that the acid-fast bacilli stain is the most common method used to identify Mycobacterium tuberculosis.
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