题目内容

An abnormal reactivity to one’s own tissues is called

A. allergy
B. autoimmunity
C. anaphylaxis
D. rejection

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Which of the following suffixes means condition of blood?

A. -emia
B. -penia
C. -pemia
D. -enia

Erythrocytes originate in the bone marrow, and their production is stimulated by

A. thrombopoisis
B. erythropoietin
C. erythroblast
D. myelogenous

The liquid portion of blood is called ______.

The ancestors of all blood cells are called ______cells.