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NEET2014ZoologyHuman Health and DiseasesActual

Which one of the following immune system components does not correctly match with its respective role?

Options

  1. AInterferons - secreted by virus-infected cells and protect non-infected cells from further viral infection
  2. BB-lymphocytes-produces antibodies in response to pathogens into blood to fight with them
  3. CMacrophages-mucus secreting cells that trap microbes entering in the body
  4. DIg A-present in colostrum in early days of lactation and protect infant from diseases

Correct answer

C. Macrophages-mucus secreting cells that trap microbes entering in the body

Step-by-step solution

Macrophages are cells produced by differentiation of monocytes in tissues. They are present throughout the body with large numbers in the lymph nodes, bone marrow and spleen. These are specialized phagocytic cells that attack foreign substances.

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