When quick immune response is required, we administer which kind of immunization?

A.    Active

B.    Passive

C.   Both depending on pathogen

D.   Generally active sometimes passive

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RDT has not allowed to produce antigenic polypeptide of pathogen in

A.    Bacteria

B.    Yeast

C.    Virus 

D.   Both A and B

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Allergies could be because of

A.    Protected environment provided in early life

B.    Modern day life style

C.   More sensitivity to the environment

D.   All of these

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The cause of autoimmunity can be

A.    Physical appearance

B.    Genetic reasons

C.   Reasons, which are still under research

D.   Both B and C

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The primary lymphoid organs are

A.    Bone marrow and thymus

B.    Bone marrow and spleen

C.   Spleen and thymus

D.   All three

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Which of the following is not a lymphoid organ?

A.    Appendix

B.    Thyroid

C.   Peyer's patches

D.   Tonsils

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The formation of effector lymphocytes will occur in

A.    Bone marrow

B.    Thymus

C.   Appendix

D.   Thyroid

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What is the main lymphoid organ where all blood cells including lymphocytes are produced?

A.    Spleen

B.    Thymus

C.   Lymph nodes

D.   Bone marrow

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The microenvironment  for the maturation and development of T lymphocytes is created by

A.    Bone marrow

B.    Thymus

C.   Both A and B

D.   Spleen

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The immature lymphocytes differentiates into antigen sensitive lymphocytes in

A.    Bone marrow

B.    Thymus

C.   Both A and B

D.   Spleen

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