女婴,8个月,呕吐2日,腹泻4日,加重1日。患儿不明原因开始呕吐,每日7~8次,呕吐

题型:单项选择题

问题:

女婴,8个月,呕吐2日,腹泻4日,加重1日。患儿不明原因开始呕吐,每日7~8次,呕吐物为胃内容物,呕吐次日开始腹泻,蛋花水样便,无脓血。开始每日7~8次,逐渐加重至每日10余次,服用止泻剂无效。为判断疾病严重程度,问诊时最重要的是()

A.是否发热

B.腹泻的详细情况

C.呕吐的详细情况

D.有无咳嗽和气促

E.小便情况

考点:儿内科(医学高级)儿科基础及保健儿科基础及保健题库
题型:单项选择题

在直角△ABC中,三边分别为a、b、c.若a=6,b=8,则c=______.

题型:单项选择题

切断进料主风仍保持时,再生温度最低不能低于400℃,目的是()。

A、防止发生碳堆

B、保证喷燃烧油

C、防止再生器催化剂跑损

D、防止再生器流化不畅

题型:单项选择题
如图所示的LC振荡电路,在某时刻的磁场方向如图所示,则下列判断不正确的是(   )

A.若磁场正在增强,则电场能正在减少,电容器上极板带正电

B.若磁场正在减弱,则电场能正在增强,电容器上极板带正电

C.振荡电流的变化周期为:

D.电场能量的变化周期为:π

题型:单项选择题

行政复议的原则不包括(  )。

A.合法原则

B.一级复议原则

C.便民原则

D.复议停止执行原则

题型:单项选择题

A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.
Which of the following can be logically concluded from the passage above

A.The time it takes to record and analyze a signature makes the software impractical for everyday use.

B.Computers equipped with the software will soon be installed in most banks.

C.Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.

D.Signature-recognition software has taken many years to develop and perfect.

E.(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.

更多题库