问题 单项选择题 A2型题

患者,女性,50岁。既往有糖尿病病史多年,有胃轻瘫。本次因"脑外伤"入院,现昏迷,其他生命体征稳定。对其进行营养支持宜采用的是()

A.留置鼻胃管鼻饲

B.留置鼻空肠管鼻饲

C.完全胃肠外营养支持

D.经皮内镜下胃造口术(PEG)

E.手术胃造口术

答案

参考答案:B

解析:患者胃肠功能稳定,宜选用肠内营养支持,因其有胃轻瘫,且昏迷,为防止反流、误吸等宜采用空肠置管,故只有B项符合。

填空题
单项选择题

Few scientific fields are as full of risk as that of research into human intelligence. The two questions that (1) over and over again are "is it a result of nature or nurture" and "does race make a difference"

Making (2) comments about the second question can be a (3) move, as James Watson, a co-discoverer of DNA structure, recently found. He suggested that he was " (4) about the prospect of Africa" (5) "all our social policies are based on the fact that their intelligence is the same as ours (white people) (6) all the testing says not really". Such (7) by Dr. Watson are not merely (8) , they are scientifically weird. If the term (9) has any useful scientific meaning, then Africa, the continent where modern humanity began, is most racially diverse. The resulting (10) among the public forced Dr. Watson to leave his laboratory.

(11) , the study of the first question (12) between intelligence and genetics— has some wiser practitioners. One of them, Terrie Moffitt, of King’s College, has just (13) a project judging the relative importance of nature and nurture. Dr. Moffitt’s team (14) the effect on intelligence of breastfeeding, but in a genetic context. Previous studies have shown that breastfed children are more intelligent, (15) about six IQ points, than those given baby formulas.

The team, however, (16) the involvement of a gene called FADS2, which comes in two varieties, known as C and G. The researchers (17) if these two varieties interacted differently with breast milk. (18) on data from two groups of people, they found that the intelligence increase associated with breastfeeding only happened to people having (19) at least one copy of the C variety. The effect did not. (20) on the social classes or IQs of the parents.

20()

A.depend

B.focus

C.lean

D.count