The blood volume of a normal man is about ___ of his body weight. ()
A. 5%~6%
B. 6%~7%
C. 7%~8%
D. 8%~9%
E. 9%~10%
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That the concentration difference between the plasma and the interstitial fluid is the highest is ___. ()
A. Na+
B. Cl-
C. K+
D. Protein
E. HCO3-
The acceleration of the erythrocyte sedimentation rate is due to ___. ()
A. the augmentation of the hematocrit
B. the increase of the plasma lecithin
C. the increase of the plasma albumin
D. the increase of the plasma globulin
E. the reduce of the plasma fibrinogen
The primary humoral factor regulating the erythropoiesis is ___. ()
Androgen
B. Estrogen
C. the extract of the red cells
D. thyroid hormone
E. erythropoietin
The initiator of extrinsic blood coagulation is___. ()
A. Fibrinogen
B. Serum
C. Plasma
D. Ⅻa
E. Ⅲ