Question

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

• A. Salmonella typhi / Widal test
• B. Plasmodium vivax / UTI test
• C. Streptococcus pneumoniae /Widal test
• D. Salmonella typhi / Anthrone test

Answer 1

The correct option is A Salmonella typhi / Widal test

Salmonella typhi is a pathogenic bacterium which causes typhoid fever in human beings. Typhoid fever could be confirmed by the Widal test in which the bacterial antigen is made to react with the serum of the patient that contains specific antibodies against the antigen and clumping of the cells (agglutination) in the serum is observed.