问题
单项选择题 A1/A2型题
气管异物患者，其呼吸困难的类型属于（）
A.吸气性
B.呼气性
C.混合性
D.血源性
E.心源性
答案
参考答案：A
解析：吸入异物较大、阻塞气管或靠近气管分支的隆凸处，可使两侧主支气管的通气 受到严重障碍，发生吸气性呼吸困难，可出现三凹征。
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气管异物患者，其呼吸困难的类型属于（）
A.吸气性
B.呼气性
C.混合性
D.血源性
E.心源性
参考答案：A
解析：吸入异物较大、阻塞气管或靠近气管分支的隆凸处，可使两侧主支气管的通气 受到严重障碍，发生吸气性呼吸困难，可出现三凹征。
It was a bitter, cold evening in northern Virginia many years ago. The old man was waiting for a ride across the 36 . The wait seemed 37 . At last he heard the slight, steady rhythm of approaching hooves (马蹄) coming along the frozen path. Anxiously, he 38 as several horsemen came around the bend (转角处). He let the first one 39 . Then another, and another. Finally, as the 40 rider neared the spot where the old man sat like a snow statue, the old man 41 the rider’s eye and said, “Sir, would you mind giving an old man a ride to the other side? There doesn’t appear to be a passage way by 42 .” The rider replied, “Sure.” Seeing the old man was unable to 43 his half-frozen body from the ground, the horseman got down and helped the old man onto the horse. The horseman took the old man not just across the river, but to his destination. As they neared the tiny but cozy (舒适的) cottage, the horseman’s 44 caused him to ask, “Sir, I notice that you let several other riders go by without making a(n) 45 to get a ride. Then I came up and you 46 asked me for a ride. I’m curious why, on such a bitter winter night, you would wait and ask the last rider. 47 I had refused and left you there?” The old man replied, “I’ve been 48 here for some time. I think I know people pretty good.” He continued, “I looked into the eyes of the other riders and immediately saw there was no 49 for my situation. But when I looked into your eyes, 50 was evident. I knew, 51 , that your gentle spirit would 52 the opportunity to give me help in my time of 53 .” Those heartwarming comments 54 the horseman deeply. “I’m most grateful for what you have said,” he told the old man. “May I never get too busy in my own affairs that I 55 to respond to the needs of others with kindness and compassion.” With that, Thomas Jefferson turned his horse around and made his way back to the White House.
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