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Doctors Medicines MCQs Q&A

  1. ELISA
  2. Shick test
  3. Widal test 
  4. Mantoux test
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1 Answers

Option 3 : Widal test 

Concept:

  • Diagnosis: Identifying the disease a person is suffering from.

Explanation:

  • Widal test: It measure whether the patient's serum has the antibodies to fight with the antigens present in the reagent.
  • An agglutination is observed in case the patient is suffering from typhoid.
  • The agglutination result from the binding of the antibodies in the patient's serum and the bacterial antigen present in the reagent of the diagnostic kit.
  • The degree of infection is determined based on the titre.

Additonal information:

  • ELISA: Widal test is more appropriate and sensitive for diagnosing typhoid as it is a quantitative and a qualitative test.
  • Shick test:It is a test for the diagnosis of diptheria,
  • Mantoux test: It is a test used for screening of tuberculosis
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