The Widal test is used for the detection of Salmonella typhi and other subspecies. This test is based on the principle.........................................?

the antigens bind to RBCs and form the agglutination

the antigens are detected using the neutralization assay

the antigen combines with its soluble antibody and form a lattice with a visible precipitate

The Widal test is used for the detection of Salmonella typhi and other

1.	The Widal test is used for the detection of Salmonella typhi and other subspecies. This test is based on the principle.........................................?
A.	the antigens are detected using the neutralization assay
B.	the antigen combines with its soluble antibody and form a lattice with a visible precipitate
C.	the antigens bind to RBCs and form the agglutination
D.	None of the above
Answer» C. the antigens bind to RBCs and form the agglutination

Discussion

No Comment Found

Related MCQs

Which of the following serotypes of Salmonella does not produce H$_{2}$S?
Escherichia coli is one of the widely distributed enteric bacteria that cause diarrhea worldwide, name the other common pathogen of diarrheal diseases prevalent in developing countries like India, Nepal, and Bangladesh? Select all the correct answers
Enterobacteriaceae expresses a variety of virulent antigens, all of the following are the antigens, EXCEPT?
Enteroinvasive E. coli (EIEC) are nonmotile, non-lactose, or late lactose fermenters which are predominantly found in developing countries infecting children and travelers. Which of the following infection is similar to EIEC infection?
After the bacteria is ingested, enteropathogenic E. coli (EPEC) attaches to the mucosal cells of the small intestine which results in malabsorption and diarrhea. Symptoms such as watery diarrhea, vomiting, non-bloody stools could appear which may last for 1-3 days. What are the two important virulent factors of pathogenesis?
Enteric bacteria are mainly classified based on their ability to ferment various sugars including lactose. Which of the following bacteria is a non-lactose fermenter?
All are the important general characteristics of enteric bacteria, EXCEPT?
Intestines of humans and other mammals are the natural habitats of enteric organisms, a large family of bacteria is present as a normal flora, which of the following is less likely to be found as the normal flora of the intestine?
Some enteric bacteria are a part of normal inhabitants and incidentally cause disease but others such as.................is an important pathogen and the common cause of foodborne and waterborne illnesses all around the world.
The biochemical properties of enteric bacteria are helpful in the differentiation of the specific pathogen, which of the following biochemical test method demonstrates the production of tryptophan into indole?

The Widal test is used for the detection of Salmonella typhi and other subspecies. This test is based on the principle.........................................?

Discussion

No Comment Found

Related MCQs

Reply to Comment