搜题请搜索小程序“爱下问搜题”
问题 单项选择题

关于免疫缺陷病的叙述，下列中不正确的是（）

A.对各种感染的易感性增高

B.涉及免疫组织、细胞，分子等的缺陷

C.增高了恶性肿瘤的发生率

D.年龄越大，病情越轻，预后理想

E.某些疾病可具有遗传倾向

答案

参考答案：D

解析：免疫缺陷病是由遗传因素或其他原因造成免疫系统发育或免疫应答障碍而导致的一种或多种免疫功能不全的疾病。其特点是患者易反复感染，难治愈甚至造成死亡，可同时累及多个系统和器官，涉及组织细胞、分子的缺陷。

多选题

人喝了牛奶以后，牛奶中的蛋白质消化的场所有．（　　）

A．口腔

B．小肠

C．胃

D．大肠
查看答案
填空题

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) .
查看答案