问题
单项选择题 A1/A2型题
右心衰竭引起呼吸困难的原因为（）
A.右心房压力升高刺激化学感受器而兴奋呼吸中枢
B.代谢产物减少刺激呼吸中枢
C.淤血性肝肿大等使运动受限而减少肺交换面积
D.腹腔积液通过膈肌兴奋呼吸中枢
E.胸腔积液通过膈肌兴奋呼吸中枢
答案
参考答案：C
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右心衰竭引起呼吸困难的原因为（）
A.右心房压力升高刺激化学感受器而兴奋呼吸中枢
B.代谢产物减少刺激呼吸中枢
C.淤血性肝肿大等使运动受限而减少肺交换面积
D.腹腔积液通过膈肌兴奋呼吸中枢
E.胸腔积液通过膈肌兴奋呼吸中枢
参考答案：C
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This postcard shows you a picture from my ____________. We went to a nature ____________. We saw a green ____________ and a beautiful clean ____________. There weren't many people there. Tomorrow we are going to a small ____________. There are no tall ____________ there. Do you think I will see beautiful butterflies there? Mike |