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Human Health and Diseases — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Diseases5 Marks
Question
Write about laboratory diagnosis and treatment of AIDS.
✓

Answer

I. Laboratory diagnosis :

  1. There are two tests for diagnosis of AIDS.
  2. First test is ELISA (Enzyme-Linked Immunosorbent Assay) which is used to detect the HIV antibodies.
  3. The second confirmatory test is Western Blot, which is used to weed out any false positive results. It is a highly specific test.
  4. It is based on detecting specific antibody to viral core protein and envelope glycoprotein.

II. Treatment of AIDS:

  1. AIDS cannot be cured.
  2. Antiretroviral drugs are used to reduce the viral load and prolong the life of HIV patient. E.g. Antiretroviral therapy (ART) uses drugs such as TDF (tenofovir), EFV (Efavirenz), Lamivudine (3TC), etc.

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