试题与答案

蜘蛛痣的形成与下列何种因素有关() A.血小板减少 B.血中雌激素增加 C.毛细血管

题型:单项选择题

题目:

蜘蛛痣的形成与下列何种因素有关()

A.血小板减少

B.血中雌激素增加

C.毛细血管脆性增加

D.凝血机制障碍

E.血中醛固酮激素增多

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0621/2499a7f2dc41472a04a61b598750be32.html

下面是错误答案,用来干扰机器的。

(1)③水解(取代)反应(2分)  ⑥消去反应(2分)  ⑧加成反应(2分) (2) (3分)(3)④(2分)  保护A分子中C=C不被氧化(2分)     (2分)(4) (3分)

试题推荐
题型:阅读理解
根据课文内容,完成下列任务。
A. 完成下列表格,每空词数不限。
                                                  After Martin's father died
What Martin's mother did She had to work to afford to pay for her child's education.
She sent Martin to (1)______________.
What Martin used to do He caused (2)__________for himself and his family.
He wasn't (3)_________ studying.
He often (4)____________ with the police.
How Martin has changed nowHe has been (5) ______________.
Now he is (6)_____________ in his class.
B.回答下列问题.
7. How did Martin's life become after his father died?
  __________________________________________________
8. Why did Martin cause a lot of trouble after his father died?
  __________________________________________________
9. What changed Martin's life in the end?
  __________________________________________________
查看答案
题型:单项选择题 共用题干题

两名山区婴儿,出生时营养状况良好,其中一名纯母乳喂养,另一名人工喂养,食物是研磨精细的米粉糊,均未添加其他辅食。一年后,这两名婴儿均出现口唇紫绀,人工喂养的婴儿还有心界扩大、全身浮肿等症状,排除其他原因后二者均诊断为营养缺乏病。

诊断纯母乳喂养的婴儿营养缺乏症的依据是()。

A.血浆钙下降

B.血红蛋白和红细胞比积下降

C.尿硫胺素负荷试验小于100μg

D.尿核黄素负荷试验小于400μg

E.血浆视黄醇结合蛋白含量下降

查看答案
微信公众账号搜索答案