质粒DNA的特征错误的是
A．有自我复制能力B．是细菌产生耐药性等C．不会自行丢失与消除D．具转移性E．几种质粒可以相容
参考答案：B
孕妇尿中与胎盘功能关系密切的激素是 ()。
A．雌二醇
B．雌酮
C．雌三醇
D．孕酮
E．睾酮
When assessing a client with partial thickness burns over 60% of the body, which of the following should the nurse report immediately
A．Complaints of intense thirst.
B．Moderate to severe pain.
C．Urine output of 70 mL the 1st hour.
D．Hoarseness of the voice.
