问题
单项选择题
有关Koch三角区下述哪项不正确
A．位于冠状动脉窦与卵圆孔之间
B．为传导系统所在部位
C．术中不应用器械过多刺激
D．缝合房间隔缺损时左缘不应进针过远
E．位于冠状静脉窦与三尖瓣之间
答案
参考答案：A
解析：[解题思路] 冠状静脉窦至三尖瓣之间Koch三角区为传导系统所在部位，不应用吸引器刺激或用器械钳夹。
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有关Koch三角区下述哪项不正确
A．位于冠状动脉窦与卵圆孔之间
B．为传导系统所在部位
C．术中不应用器械过多刺激
D．缝合房间隔缺损时左缘不应进针过远
E．位于冠状静脉窦与三尖瓣之间
参考答案：A
解析：[解题思路] 冠状静脉窦至三尖瓣之间Koch三角区为传导系统所在部位，不应用吸引器刺激或用器械钳夹。
| 阅读理解 | ||||
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| 1. What number may you call if you and your friends want to enjoy the sunshine at the seaside? | ||||
| A. 67538293. B. 63986432. C. 64639818 | ||||
| 2. Sam wants to stay in Hunter Valley with his wife, his five - year - old daughter and his seven-year - old son. How much will it cost? | ||||
| A. $ 25. B. $ 150. C. $ 100 | ||||
| 3. David loves sports. He will take his holiday from May 7 to May 15. What activity will he probable take part in? | ||||
| A. Hiking in the mountains. B. Fishing in the country. C. Watching plants at night | ||||
| 4. Lucy is a college student. She is quite interested in science. She wants to know something about the life of plants at night. Which trip will she choose? | ||||
| A. Trip l. B. Trip 2. C. Trip 3 | ||||
| 5. Which of the following is NOT mentioned according to the four advertisements? | ||||
| A . Children couldn't take the Trip 3. B. We can see some beautiful flowers in Trip 2. C. Trip 4 is very dangerous. |