问题 单项选择题 A2型题

患者,男性,28岁。因"车祸外伤,多发肋骨骨折、肺挫伤"入院,出现呼吸窘迫,考虑并发ARDS,予呼吸机辅助通气。下列呼吸功能监测指标与病情不符的是()

A.呼吸频率增快

B.胸肺顺应性增加

C.肺泡-动脉氧分压差增加

D.肺内分流增加

E.VD/VT比值异常

答案

参考答案:B

解析:

患者为多发肋骨骨折、肺挫伤合并ARDS,由于肺内液体渗出、肺泡水肿、透明膜形成等因素,故胸肺顺应性下降。

选择题
单项选择题

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus; the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) . It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long-term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) --Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Oceanz Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

Notes: childhood amnesia 儿童失忆症。

(17)()

A.him

B.their

C.it

D.them