Read the following statements and choose the set of correct statements.
(a) Interferons are the cytokines secreted by virus-infected cells.
(b) Memory cells are produced only during anamnestic immune response.
(c) Cell mediated immunity is mainly responsible for graft rejection.
(d) Colostrum has abundant IgE antibodies that provide passive immunity to the newborn.
(e) Myasthenia gravis is an autoimmune disorder.
Choose the correct answer from the options given below.

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(a), (b) and (c) are correct

(a), (c) and (d) are correct

(b), (c) and (e) are correct

(a), (c) and (e) are correct

answer is D.

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Detailed Solution

During the primary immune response also the immune system produces memory cells specific to the antigen. These memory cells remain in the body and can quickly recognise and respond to the same antigen if it enters the body again. This results in a faster and more efficient immune response.
IgA is the most abundant antibody in colostrum.

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