问题
单项选择题
门—腔静脉吻合术的主要目的是
A．减少腹水形成
B．降低门静脉的压力
C．消除脾功能亢进
D．改善肝功能
E．阻断侧支循环
答案
参考答案：B
解析：使门静脉和腔静脉直接相通后，血液由腔静脉分流，可大大减轻门静脉压力。
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门—腔静脉吻合术的主要目的是
A．减少腹水形成
B．降低门静脉的压力
C．消除脾功能亢进
D．改善肝功能
E．阻断侧支循环
参考答案：B
解析：使门静脉和腔静脉直接相通后，血液由腔静脉分流，可大大减轻门静脉压力。
A little old man and his wife walked slowly into McDonald’s 16 a cold-winter evening. They took a table near the back wall, and then the little old man walked to the cash register (收银处)to order. After a while he got the food back and they began to 17 it. There was one hamburger, some French fries and one drink. The little old man carefully cut the hamburger into halves and 18 the French fries in two piles. Then he neatly put the 19 of the food in front of his wife. He took a sip of the drink and his wife took a sip. "How20 the old people are!" The people around them thought. 21 the man began to eat his hamburger and his French fries, his wife sat there 22 him and took turns to drink. 23 young man came over and offered to buy another meal for them. But they refused 24 and said that they got used to 25 everything. Then a young lady asked the little old lady a question. "Madam, why aren’t you eating? You said that you shared everything. Then what are you waiting for?" She answered, "The teeth.”
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