Which laboratory test is most commonly used to diagnose streptococcal pharyngitis?
Correct Answer: Rapid antigen detection test
- Step 1: Understand that streptococcal pharyngitis is an infection in the throat caused by Group A Streptococcus bacteria.
- Step 2: Know that doctors need a way to quickly find out if a patient has this infection.
- Step 3: Learn that the rapid antigen detection test is a laboratory test used for this purpose.
- Step 4: Recognize that this test works by detecting specific substances (antigens) from the Group A Streptococcus bacteria in a throat swab sample.
- Step 5: Understand that this test provides results quickly, usually within a few minutes, helping doctors make fast decisions about treatment.
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