题目内容

For secondary response, which of the following statements is wrong?

A. It mainly produces IgG with high affinity.
B. The antibody concentration increases rapidly.
C. The plateau phase is long.
D. It require higher dose of antigen to induce response.
E. It has shorter lag period.

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The molecules involved in the first signal of B cell activation do not include

A. BCR
B. CD79a/CD79b
CD19
D. CD21
E. CD40

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Which statement is wrong about plasma cells?

A. Plasma cells can secrete antibodies.
B. Plasma cells can't recognize antigens.
C. Plasma cells can interact with Th cells.
D. Plasma cells are the terminal differentiated cells of B cells.
E. There is no mIg or MHC class II molecules on the surface of plasma cells.

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新生儿窒息复苏时首先

A. 清理呼吸道
B. 建立呼吸
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E. 评估

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A. 青霉素
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E. 氨苄西林

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For secondary response, which of the following statements is wrong?

A. It mainly produces IgG with high affinity. B. The antibody concentration increases rapidly. C. The plateau phase is long. D. It require higher dose of antigen to induce response. E. It has shorter lag period.

The molecules involved in the first signal of B cell activation do not include

Which statement is wrong about plasma cells?

新生儿窒息复苏时首先

治疗新生儿支原体肺炎，应首选哪一种抗生素

A. It mainly produces IgG with high affinity.
B. The antibody concentration increases rapidly.
C. The plateau phase is long.
D. It require higher dose of antigen to induce response.
E. It has shorter lag period.