下列气体会造成空气污染的是 A．稀有气体 B．二氧化硫 C．氧气 D．氮气

细菌性痢疾的传染源可以是（）

A.苍蝇

B.病人

C.老鼠

D.带菌者

E.蟑螂

饭后，你的胰岛细胞很活跃。这时下列管道中胰岛素浓度最高的是

A．胰小动脉

B．胰小静脉

C．胰淋巴管

D．胰管

何谓痛经？可有哪些妇科病引起？

A client at term arrives at the labor room experiencing contractions every 4 minutes. After a brief assessment, she’s admitted and an electronic fetal monitor is applied. Which of the following would alert the nurse to an increased potential for fetal distress（）

A. Weight gain of 30 lb (13.6 kg).

B. Maternal age of 32 years.

C. Blood pressure of 146/90 mmHg.

D. Treatment for syphilis at 15 weeks’ gestation.

患者头晕目眩，面白无华，爪甲不荣，视物模糊，舌淡，脉细，宜诊为（）

A.心血虚证

B.肝血虚证

C.心肝血虚证

D.血虚证

E.心脾气血虚证