What is the main laboratory method used to identify Mycobacterium tuberculosis?

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Question: What is the main laboratory method used to identify Mycobacterium tuberculosis?

Options:

Correct Answer: Acid-fast bacilli stain

Solution:

The acid-fast bacilli stain is used to identify Mycobacterium tuberculosis due to its unique cell wall properties.

What is the main laboratory method used to identify Mycobacterium tuberculosis?

What is the main laboratory method used to identify Mycobacterium tuberculosis?

Step 1: Understand that Mycobacterium tuberculosis is the bacteria that causes tuberculosis (TB).
Step 2: Learn that this bacteria has a special cell wall that makes it resistant to certain stains.
Step 3: Know that the acid-fast bacilli stain is a specific method used to identify bacteria with this type of cell wall.
Step 4: Realize that when the acid-fast stain is applied, Mycobacterium tuberculosis will retain the color of the stain, making it visible under a microscope.
Step 5: Conclude that the acid-fast bacilli stain is the main laboratory method used to identify Mycobacterium tuberculosis.

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