In a laboratory diagnosis of tuberculosis, which test is most commonly used to a

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Question: In a laboratory diagnosis of tuberculosis, which test is most commonly used to assess cell-mediated immunity?

Options:

Correct Answer: Mantoux test

Solution:

The Mantoux test is used to assess cell-mediated immunity to Mycobacterium tuberculosis.

In a laboratory diagnosis of tuberculosis, which test is most commonly used to assess cell-mediated immunity?

In a laboratory diagnosis of tuberculosis, which test is most commonly used to assess cell-mediated immunity?

Correct Answer: Mantoux test

Step 1: Understand that tuberculosis (TB) is an infection caused by a bacteria called Mycobacterium tuberculosis.
Step 2: Know that the immune system has different ways to respond to infections, and one important response is called cell-mediated immunity.
Step 3: Learn that the Mantoux test is a specific test used to check if someone has been exposed to the TB bacteria.
Step 4: Realize that the Mantoux test involves injecting a small amount of a substance called tuberculin into the skin.
Step 5: After 48 to 72 hours, a healthcare provider checks the injection site for a reaction, which indicates cell-mediated immunity to TB.

Cell-Mediated Immunity – The immune response that involves the activation of T-cells and the production of cytokines, crucial for fighting intracellular pathogens like Mycobacterium tuberculosis.
Mantoux Test – A skin test used to determine if a person has been exposed to the tuberculosis bacteria by measuring the immune response.