Question

Widal test is used for the diagnosis of

• A. Typhoid
• B. Tuberculosis
• C. Pneumonia
• D. Malaria

Answer 1

Solution

The correct option is A) Typhoid

Explanation of the correct option:

The fundamental idea behind the Widal test is that if a patient's serum contains a homologous antibody, it would react with the corresponding antigen in the reagent and result in visible clumping on the test card and agglutination in the tube.

1. Typhoid is a bacterial disease caused by the bacteriumSalmonella typhi.
2. It causes headaches, high fever, irritated intestines and stomach cramps.
3. The test used to diagnose typhoid is widal test.

Explanation of the incorrect options:

Option B:

Mantoux testis done to diagnose tuberculosis.

Option C:

Sputum or Blood test is done to diagnose pneumonia.

Option D:

Smear microscopy or RDT test is done to diagnose malaria.

Final answer: The widal test is used for the diagnosis of typhoid.

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