治疗轻、中度溃疡性结肠炎首选的药物是
A．柳氮磺吡啶B．美沙拉嗪C．布地奈德D．硫唑嘌呤
参考答案：A
CDMA终端的平均发射功率比GSM低。（）
A.是
B.否
The nurse is caring for four clients on a step-down intensive care unit. The client at the highest risk for developing nosocomial pneumonia is the one who（）
A. has a respiratory infection.
B. is intubated and on a ventilator.
C. has pleural chest tubes.
D. is receiving feedings through a jejunostomy tube.
