The molecules involved in the first signal of B cell activation do not include
A. BCR
B. CD79a/CD79b
CD19
D. CD21
E. CD40
查看答案
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.
新生儿窒息复苏时首先
A. 清理呼吸道
B. 建立呼吸
C. 维持循环
D. 药物治疗
E. 评估
治疗新生儿支原体肺炎,应首选哪一种抗生素
A. 青霉素
B. 红霉素
C. 头孢唑林
D. 阿米卡星
E. 氨苄西林
新生儿缺氧缺血性脑病易出现低血糖,此时应选择的葡萄糖输注速度是应每分钟
A. 3-5mg/Kg
B. 6-8mg/Kg
C. 8-10mg/Kg
D. 10-12mg/Kg
E. 16-18mg/Kg