Question

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
A. Plasmodium vivax / UTI test.
B. Streptococcus pneumoniae / Widal test.
C. Salmonella typhi / Anthrone test.
D. Salmonella typhi / Widal test.

Answer 1

Hint: Typhoid fever is a type of enteric fever. Accordingly, based on the confirmatory test for typhoid and based on the causative agent for typhoid it can be found and analyzed.

Complete answer:
Typhoid is a bacterial infection which is caused through the contamination of water. There are many vaccines for typhoid. The following are the symptoms of typhoid. They are as follows:
It causes headache, vomiting.
The major symptom is that it causes stomach pain.
 PLASMODIUM VIVAX:
It is a protozoan parasite.
This is widely distributed in causing malaria.
UTI TEST:
This test is done for the urinalysis.
It is used for diagnosing the urinary tract.
STREPTOCOCCUS PNEUMONIAE:
It is a gram-positive bacterium.
It is a commensal organism in the human respiratory tract.
ANTHRONE TEST:
It is the general test done for carbohydrates deficiency.
Carbohydrates get dehydrated when reacted with concentrated sulphuric acid to form furfural.
SALMONELLA TYPHI:
It is a causative agent for typhoid.
It mostly occurs due to the contaminated food and water.
Based on the antigen antibody reaction, the confirmatory test for typhoid is done by widal test. The causative agent for typhoid fever is salmonella typhi.
So, the correct answer is “Option D”.

Additional Information:
The following are the symptoms, treatment, other names and diagnosis for typhoid:

OTHER NAMES	Slow fever
SYMPTOMS	Rash, abdominal pain, loose stools.
TREATMENT	antibiotics
DIFFERENTIAL DIAGNOSIS	Other infectious diseases

Note:
In the word, Salmonella typhi, Typhi is the one which grows in the intestines and blood of the human body. Typhoid is caused by this agent. This is a very dangerous disease by which they cause low to high fever. As the word salmonella typhi indicates as the causative agent