睫状肌收缩时,睫状小带绷紧,晶状体变凸,适于看近物。

题型:判断题

问题:

睫状肌收缩时,睫状小带绷紧,晶状体变凸,适于看近物。

考点:医学临床三基(医技)人体解剖学人体解剖学题库
题型:判断题

如图所示的四种现象中,属于光沿直线传播的是(  )

A.

湖面“月影”

B.

铅笔“折断”

C.

墙上”孔雀“

D.

镜中“风暴”

题型:判断题

急性肺脓肿停用抗生素的指征是()。

A.体温正常

B.脓腔液平消失

C.肺部体征消失

D.咳嗽咳痰消失

E.病灶消失,有纤维条索影

题型:判断题

一个鸡蛋的质量大约为(  )

A.0.1kg

B.50g

C.0.5kg

D.5g

题型:判断题

Today, we’ll talk about what other effects watching TV might produce on children. Children should be (1) a lot of television, many experts and parents agree, but there is at least one circumstance when it might be beneficial: (2) . A recent study conducted by Italian researchers found that children (3) immediately preceding and during blood tests experienced less pain than children whose mothers (4) during the procedure, or children whose mothers were present but (5) .
The research, led by Carlo Brown, MD, at the University of Siena, is published in the Archives of Disease in Childhood. (6) the study. None received any type of anesthesia; the children and their mothers (7) . Both the group whose mothers attempted to distract them from the blood tests and those whose mothers simply observed reported (8) than the group who watched cartoons. For that group, the levels of pain were less and the children were better able to (9) .
One of the possible explanations is that children might have (10) during the procedures, exacerbating their perception of pain. "The higher pain level reported by children during (11) shows the difficulty mothers have in interacting positively (12) in their children’s life," the authors write.
However, they stressed that (13) still provided benefits, noting that the children would (14) during the procedures. "Indeed, children state that having their parent present (15) when in pain," say the authors.
Another possibility offered for consideration is the notion that the (16) might release pain-quelling endorphins. Endorphins, (17) produced by the pituitary gland, resemble opiates in their ability to produce analgesia and a sense of well-being. In other words, they might (18) .
In any case, the study results suggest that health workers should (19) to watch television during painful procedures (20) .

题型:判断题

患者女性,56岁。因“左眼视力下降伴眼球突出6个月”来诊。查体发现左侧动眼神经和滑车神经麻痹,角膜反射消失。

对明确诊断意义最大的检查是()

A.脑电图

B.脑血管造影

C.MRI

D.SPECT

E.TCD

F.PET-CT

更多题库