题目内容

The white blood cells active in immunity are the:

A. hematids
B. lymphocytes
C. adipose cells
D. chondrocytes

查看答案

搜索结果不匹配？点我反馈

更多问题

Substances produced by immune cells that counteract microorganisms and other foreign materials are called:

A. antibodies
B. antigens
C. anticoagulants
D. Rh factors

A deficiency of hemoglobin results in the disorder called:

A. hypertension
B. chromatosis
C. anemia
D. hemophilia

A neoplastic overgrowth of white blood cells is called:

A. anemia
B. leukemia
C. fibrosis
D. cystitis

人们常说“多多益善”,从经济学角度来说，这是指随着所消费的商品数量增多（）。

A. 总效用递增
B. 边际效用递增
C. 总效用递减
D. 边际效用递减