WIDAL Test

Typhoid is also known as __________

• Paratyphoid fever

• Enteric fever

• Pneumonia fever

• Hepatic fever

The causative agent of Typhoid is

• Salmonella typhii

• Ecoli

• All groups of bacteria

• Shigella

In typhoid, Widal test detects

• O antigen

• H antigen

• Vi antigen

• Both O and H antigen

The priniple of presumptive test of WIDAL Test is based on

• Semi quantitative method

• Direct agglutination method

• O and H antigens

• PCR

Widal test was firstly descried by

• Widal

• Ferdinand Widal

• Ferdinand Mary

• Mary widal

The blue stained antigens are specific to

• 'O' antigens

• 'H' antigens

• 'A (H)' antigens

• 'B (H)' antigens

Which among the following is the "H" antigen?

• Somatic antigen

• Flagella antigen

• S. Paratyphi A (H) antigen

• S. Paratyphi B (H) antigen

If a patients blood shows positive to Salmonella paratyphi A (H) ,B (H), then which of the following interpretation is true?

• Recent acute infection

• Old chronic infection

• Career can infect others

• Career cannot infect others