Multiple choice

Biological false positive widal is seen in ________________.

  1. malarial infection

  2. myocardial infection

  3. leptospirosis

  4. pseudomonas infection

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Widal test It is a serological test to diagnose typhoid. It measures H and Q agglutinins for typhoid and paratyphoid bacilli. It is a tube agglutination reaction. Causes of false negative widal are a. Carrier state b. Inadequate amount of bacterium in the host c. Technical errors d.  Previous antibiotic treatment