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下列变化哪项为儿茶酚胺释放增多对机体有利的一面?()

发布日期:2020-12-11

下列变化哪项为儿茶酚胺释放增多对机体有利的一面?()
A

心率减慢

B

腹腔内脏血管扩张

C

支气管收缩,口径变小

D

促进糖原合成

E

血液重新分布

试题解析

儿茶酚胺

儿茶酚胺是一种含有儿茶酚和胺基的神经类物质。儿茶酚和胺基通过L-酪氨酸在交感神经、肾上腺髓质和嗜铬细胞位置的酶化步骤结合。通常,儿茶酚胺是指去甲肾上腺素(NA或NE)、肾上腺素(Adr)和多巴胺(DA)。这三种儿茶酚胺都是由酪氨酸为前体转化得到的。

药品名称
儿茶酚胺
主要适用症
休克,神经源性、心源性、感染性休
运动员慎用
不良反应
可发生局部组织缺血坏死
是否处方药
主要用药禁忌
高血压、冠心病、动脉硬化等
用法用量
2毫克加于5%葡萄糖500毫升

机体

机体,是指除动力装置外对飞机其余部分的总称。包括机身、机翼、起落架、尾翼和其他部件等各部分。飞机制造厂主要负责机体的制造和进行飞机的最后组装。动力装置则由其他工厂完成。在民航维修中有独立的机体维修执照,持照者方可负责机体部分的维修。具有生命的个体的统称,包括植物和动物,如最低等最原始的单细胞生物、最高等最复杂的人类。也叫有机体。

中文名
机体
拼音
jī tǐ
繁体
機體
注音
ㄐㄧ ㄊㄧˇ

释放

《释放》是张智霖演唱的歌曲,收录于1996年1月1日发行的《言不由衷》专辑中。

中文名
释放
歌曲时长
0时3分33秒
发行日期
1996年1月1日
所属专辑
言不由衷
歌曲原唱
张智霖
歌曲语言
普通话

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