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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The site of interaction of lymphocyte with antigen is

A.    Bone Marrow

B.    Thymus

C.   Both A and B

D.   Lymph nodes

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Thymus is not

A.    Lobed organ

B.    Bean shaped

C.   Located near heart

D.   Beneath the breastbone

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Which of the following acts as filter of blood?

A.    Bone marrow

B.    Lymph node

C.   Spleen

D.   Thymus

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Spleen is not

A.    Large reservoir of erythrocytes

B.    Mainly contains lymphocytes and phagocytes

C.   Bean shaped

D.   Lobed organ

 

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