若x、y、z均为int型变量，则执行下列语句后的z值为（）。 x=1；y=2；z=

津亏血燥便秘应选用的方剂是（）

A．淡白舌 

B．淡红舌 

C．绛舌 

D．红舌 

E．紫舌

防火门的防火要求有哪些?

某医生值班，凌晨2时接到电话被告知有一名住院的新生儿（日龄3天）突然出现呼吸困难，面色发绀，吐奶两次，该医生应该（）。

A.立即去床边查看

B.电话中详细询问病情

C.先去翻看患儿病例

D.电话中指导护士进行处理

E.立即向上级医生汇报

胎儿食管闭锁合并气管食管瘘常合并哪些畸形（）

①先天性心脏畸形

②胃肠畸形

③脊柱裂④小头

A.①

B.①②

C.①②③

D.①②③④

E.③④

A 9-month-old, well-nourished boy who lives with his extensive extended family tests positive for tuberculosis. Which of the following is a risk factor for tuberculosis in this client

A．Male sex.

B．The infant is in the 95th percentile for height and weight.

C．His mother did not receive prenatal care until the second trimester of her pregnancy.

D．Age.