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Human Health and Disease

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Widal test is used for the diagnosis of 

  • Malaria 

  • pneumonia

  • tuberculosis

  • typhoid


D.

typhoid

Widal test is bacterial agglutination test, originally introduced by Widal for diagnosis of typhoid fever. Widal test is based upon antigen-antibody serological interactions. Typhoid or enteric fever is caused by a Gram - negative bacterium Salmonella commonly found in the human intestine. Infection of typhoid bacteria stimulates the production of immune - specific agglutinins, which are released in blood plasma.

Widal test is bacterial agglutination test, originally introduced by Widal for diagnosis of typhoid fever. Widal test is based upon antigen-antibody serological interactions. Typhoid or enteric fever is caused by a Gram - negative bacterium Salmonella commonly found in the human intestine. Infection of typhoid bacteria stimulates the production of immune - specific agglutinins, which are released in blood plasma.


Name three important aspects to maintain good health.

(i) Balanced diet (ii) Personal hygiene and (iii) Regular exercise.

What is disease ?

Malfunctioning of one or more organs characterised by signs and symptoms is called disease.

What is the significance of ‘Typhoid Mary’ ?

Typhoid Mary was a Typhoid carrier who continued to spread typhoid for several years through food she prepared.

What is health ?

It is a state of complete, physical, mental and social well being of a person.

List advantages of good health.

Healthy people are more efficient and productive. good health also brings prosperity and people live long. It also reduces infant and maternal mortality.