静脉输液时,溶液不滴的原因是()

A、针头阻塞

B、压力过低

C、局部静脉痉挛

D、针头斜面紧贴血管壁

E、莫菲氏滴管内液面过高

查看答案

相关问题推荐

  • 静脉注射时,止血带扎在穿刺部位上方()

    A、2cm

    B、5cm

    C、6cm

    D、8cm

    E、10cm

    查看答案
  • 下列哪项不是硅胶管的优点()

    A、质地柔软

    B、与酒精接触不易脆化

    C、无毒,对人体刺激小

    D、耐高温及低温

    E、具有短期抗凝作用

    查看答案
  • 激光的主要特征为()。

    查看答案
  • 有关正常尿液性质的描述,下列哪项是错误的()

    A、淡黄色

    B、澄清

    C、透明

    D、中性

    E、有特异气味

    查看答案
  • 甲状腺吸碘检查的病员,检查前1个月禁食海带及包心菜。

    A、对

    B、错

    查看答案
  • It is because she is too young ______ she does not know how to deal with the situation.

    A. so

    B. that

    C. so that

    D. therefore
    查看答案
  • The moon gives ______ no light of its own.

    A. off 发出,发光

    B. up 放弃

    C. in 屈服

    D. away
    查看答案
  • The announcement says that the class meeting will be ______ at 7 o'clock Tuesday evening.

    A. taken

    B. made

    C. placed

    D. held
    查看答案
  • I hate those people who think they are superiorme without any reason.
    A. at B. on C. to D. than
    查看答案
  • Food and shelter are _____ for human beings.
    A. special B. especial C. essential D. exceptional
    查看答案