Zoology - Human Health and Diseases Question with Solution | TestHub
Read the statement and choose the CORRECT option.
(i) Secretion of interferons is a physiological barrier of innate immunity.
(ii) T-lymphocytes are responsible for cell-mediated immunity.
(iii) Injection given against snake venom is a type of active immunization.
(iv) Antibodies produced during allergies reactions are of IgA type.
Options:
Answer:
Solution:
(i) Secretion of interferons is a cytokine barrier of innate immunity. Interferons are proteins secreted by the virus-infected cells, which prevent the non-infected cells, from getting the infection.
(ii) T-lymphocytes are responsible for providing cell-mediated immunity. They do it through the synthesis of substances like cytokines.
(iii) Injection given against snake venom is a type of passive immunization. It contains preformed antibodies against the snake venom in it.
(iv) Antibodies which are produced during allergic reactions are of IgE type.
