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问题 单项选择题

细菌对氨基糖苷类药物产生耐药性因为产生

A．水解酶

B．钝化酶

C．转肽酶

D．β-内酰胺酶

E．二氢叶酸合成酶

答案

参考答案：B

单项选择题

A．German

B．French

C．Spanish

D．Arabic
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单项选择题

Which of the following would be best to help prepare a preschool-aged child for an injection

A. Having an older child explain that shots do not hurt.
B. Helping the child to imagine she is in a different place.
C. Giving the child a play syringe and a bandage to give a doll injections.
D. Giving the child a pounding board to encourage expressions of anger.
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