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在心输出量不变的情况下,舒张压升高主要是由于 ( )

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  • 【名词&注释】

    利多卡因(lidocaine)、去甲肾上腺素(norepinephrine)、心输出量(cardiac output)、异丙肾上腺素(isoproterenol)、对外开放(opening to the outside world)、基本路线(basic line)、大动脉弹性(large artery elasticity)、基本政策(basic policy)、处理问题(processing problem)、基本方针(basic policy)

  • [单选题]在心输出量不变的情况下,舒张压升高主要是由于 ( )

  • A. 心率加快
    B. 循环血量增加
    C. 大动脉弹性(large artery elasticity)增加
    D. 血液黏滞性增大
    E. 外周阻力增加

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]What does the passage tell us?
  • A. Confidence is more important than modesty.
    B. How to accept compliments given by westerners.
    C. The Chinese people are modest while westerners are confident.
    D. The western culture.

  • [单选题]对左肺的描述,下列选项错误的是 ( )
  • A. 较右肺窄而长
    B. 通常分为两叶
    C. 前缘近于垂直
    D. 肺尖突入颈根部
    E. 前缘下部有心切迹

  • [单选题]Passage FiveFrom the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means of traveling. Today rivers still serve as a great waterway for the transport and people.
  • A. In ancient times, man settled near rivers or on river banks and built up large empires.
    B. Water is the Nature's most precious gift to man. Man needs water to irrigate his crops, to cook and to wash. In nations all over the world rivers mean life and wealth. They feed and clothe the nations around them.
    C. Water is also a source of energy and power. Man constructs huge dams across the river to control the water for irrigation and get the energy needed to drive generators. The electrical power is then directed to homes, cities, factories and television stations.
    D. Man uses water each day. His main source of water comes from reservoirs, which in turn get their water from the rivers.
    E. Rivers also bring down soil and minerals from the mountains and deposit them on the plains building up rich river deltas for raising plants and crops. Fresh water life in rivers or in lakes fed by them provide man with food.
    F. In a small way rivers help to keep man in good health and provide for his amusements. Various forms of water sports keep man strong and healthy.
    G. Rivers have run on this earth long before man. Man's future ability to live is uncertain, but rivers will flow on forever.
    H. 52. Rivers have been important to man______.
    I. since the last century
    J. for a very long time
    K. since a few hundred years ago
    L. since a few years ago

  • [单选题]下列各句采用的修辞手法依次是( )(1)有理走遍天下,无理寸步难行。
  • A. (2)杜甫川唱来柳林铺笑,红旗飘飘把手招。
    B. (3)飞流直下三千尺,疑是银河落九天。
    C. (4)那些像棉花球似的云,叫积云。
    D. 比喻 夸张 设问 拟人
    E. 拟人 比喻 设问 反问
    F. 拟人 设问 对偶 比喻
    G. 对偶 拟人 夸张 比喻

  • [单选题]The author advises us to be______.
  • A. friendly to everybody
    B. considerate to others
    C. aware of man's weakness
    D. meet other's demands

  • [单选题]对外开放是我国的一项长期的( )
  • A. 基本政策(basic policy)
    B. 基本方针(basic policy)
    C. 基本路线
    D. 基本国策

  • [单选题]We can conclude from this passage that camels ______.
  • A. feel at home in the desert
    B. like to carry heavy loads
    C. look like ships from a distance
    D. will always be useful

  • [单选题]大环境的气象条件称为大气候,大气候是记录离地面一定高度的平均气象条件,这一高度在( )
  • A. 1~3m
    B. l.5m以上
    C. 1.5m以下
    D. 无限制

  • [单选题]心肺复苏用药时的首选药物是( )
  • A. 心三联(肾上腺素:去甲肾上腺素和异丙肾上腺素)
    B. 肾上腺素
    C. 异丙肾上腺素
    D. 去甲肾上腺素
    E. 利多卡因

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