Which components cannot be tested in serum
A. electrolytes
B. albumin
C. fibrinogen
D. enzymes
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Erythrocytes originate in the bone marrow, and their production is stimulated by______ which is secreted by the kidney.
A. erythropoietin
B. endothelium
C. urea
D. rennin
Which chemical cannot be classified into a protein?
A. heparin
B. erythropoietin
C. interleukin
D. fibrin
The liquid portion of blood is termed______
Platelets are produced by certain giant cells termed___