成人呼吸窘迫综合征患者胸部X线片呈现斑点状、片状阴影是在() A.进展期和末期 B.

题型:单项选择题 A1/A2型题

问题:

成人呼吸窘迫综合征患者胸部X线片呈现斑点状、片状阴影是在()

A.进展期和末期

B.初期、进展期和末期

C.末期

D.进展期

E.初期

考点:护理学主管护师外科护理学外科护理学题库
题型:单项选择题 A1/A2型题

奎尼丁()

A.Ⅰa类抗心律失常药

B.Ⅰb类抗心律失常药

C.Ⅰc类抗心律失常药

D.Ⅱ类抗心律失常药

E.Ⅲ类抗心律失常药

题型:单项选择题 A1/A2型题

下列各穴定位,非与脐平齐的是:

A.神阙

B.带脉

C.大横

D.章门

E.肓俞

题型:单项选择题 A1/A2型题

有的化学物的交互作用可引起化学物的代谢酶系发生变化,例如马拉硫磷与苯硫磷联合作用,可对大鼠增毒达10倍、狗为50倍。其机制可能是苯硫磷可抑制肝脏分解马拉硫磷的酯酶。那么,马拉硫磷与苯硫磷的联合作用表现为()。

A.相加作用

B.协同作用

C.拮抗作用

D.独立作用

E.加强作用

题型:单项选择题 A1/A2型题

机车未停稳前司机()。

A、可离开司机室

B、可一支脚跨出司机室

C、严禁离开司机室

题型:单项选择题 A1/A2型题

"Clean your plate!" and "Be a member of the clean-plate club!" Just about every kid in the US has heard this from a parent or grandparent. Often, it’s accompanied by an appeal. "Just think about those starving orphans (孤儿) in Africa!"
Sure, we should be grateful for every bite of food. Unfortunately, many people in the US take a few too many bites. Instead of saying "clean the plate," perhaps we should save some food for tomorrow.
According to news reports, US restaurants are partly to blame for the growing bellies (肚子). A waiter puts a plate of food in front of each customer, with two to four times the amount recommended by the government, according to a USA Today story.
Americans traditionally associate quantity with value and most restaurants try to give them that. They serve large portions to stand apart from competitors and to give the customers value. They prefer to have customers complain about too much food rather than too little.
Barbara Rolls, a nutrition professor at Pennsylvania State University, told USA Today, that restaurant portion sizes began to grow in the 1970s, the same time that the American waistline began to expand.
Health experts have tried to get many restaurants to serve smaller portions. Now, apparently, some customers are calling for this too. A restaurant industry trade magazine reported last month that 57 percent of more than 4 000 people surveyed believed restaurants serve portions that are too large; 23 percent had no opinion; 20 percent disagreed.
But a closer look at the survey indicates that many Americans who can’t afford fine dining still prefer large portions. Seventy percent of those earning at least $150 000 per year prefer smaller portions, but only 45 percent of those earning less than $ 25 000 want smaller.
It’s not that working class Americans don’t want to eat healthy. It’s just that, after long hours at low-paying jobs, getting less on their plate hardly seems like a good deal. They live from paycheck to paycheck, happy to save a little money for next year’s Christmas presents.

According to the passage, working class Americans dining in restaurants ______.

A. eat less to save money
B. get less on their plate
C. want to get their money’s value back
D. do not care about their health

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