What laboratory test is commonly used to diagnose streptococcal pharyngitis?

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Question: What laboratory test is commonly used to diagnose streptococcal pharyngitis?

Options:

Correct Answer: Rapid antigen test

Solution:

A rapid antigen test is commonly used to quickly diagnose streptococcal pharyngitis by detecting Group A Streptococcus.

What laboratory test is commonly used to diagnose streptococcal pharyngitis?

What laboratory test is commonly used to diagnose streptococcal pharyngitis?

Step 1: Understand that streptococcal pharyngitis is an infection in the throat caused by bacteria called Group A Streptococcus.
Step 2: Know that doctors need a way to quickly find out if someone has this infection.
Step 3: Learn that a rapid antigen test is a laboratory test used for this purpose.
Step 4: Realize that the rapid antigen test works by detecting the presence of Group A Streptococcus in a throat swab sample.
Step 5: Understand that this test gives results quickly, usually within a few minutes.

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