Roitt's Essential Immunology

Thirteenth Edition

Peter J. Delves, Seamus J. Martin, Dennis R. Burton, Ivan M. Roitt

Multiple Choice Questions

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Chapter 11, Question 1.


1  Which of the following is the earliest site of hematopoiesis in the embryo:

A  Bone marrow
B  Liver
C  Spleen
D  Yolk sac
E  Thymus