阿摩線上測驗
6. Hematocrit is increased
(A) when a person has a vitamin B12 deficiency
(B) by an increase in secretion of erythropoietin
(C) when the number of white blood cells is increased.
(D) by a hemorrhage
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統計： A(0), B(1), C(0), D(0), E(0) #3475909
統計： A(0), B(1), C(0), D(0), E(0) #3475909
