Question
Biology Question on human health and disease
Widal test is done to confirm
A
malaria
B
typhoid
C
pneumonia
D
jaundice
Answer
typhoid
Explanation
Solution
The correct answer is B:Typhoid
Widal test is used to confirm the diagnosis of typhoid, it is caused by Salmonella bacteria. It detects the presence of antibodies in the blood in response to the bacteria. This is done with the help of blood and antibodies to the bacteria are prepared. Agglutination is observed. But there can be false positive and false negative results.