问题
单项选择题
下列不出现颈静脉怒张的是
A.缩窄性心包炎
B.右心衰竭
C.心包积液
D.左心衰竭
E.上腔静脉阻塞综合征
答案
参考答案:D
解析:[解题思路] 颈静脉怒张提示体循环静脉压增高,见于右心衰竭缩窄性心包炎、心包积液或上腔静脉阻塞综合征,左心衰竭时为肺循环压力增高,故不出现此征。
下列不出现颈静脉怒张的是
A.缩窄性心包炎
B.右心衰竭
C.心包积液
D.左心衰竭
E.上腔静脉阻塞综合征
参考答案:D
解析:[解题思路] 颈静脉怒张提示体循环静脉压增高,见于右心衰竭缩窄性心包炎、心包积液或上腔静脉阻塞综合征,左心衰竭时为肺循环压力增高,故不出现此征。
用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次) | |
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My friend, Tom, has a big police dog l _ Timmy. Police 2 are often very smart. Every Sunday afternoon my friend takes Timmy for a long walk in the park. Timmy likes 3 very much. One Sunday aftemoon a man 4 _ my friend. He talked 5 _ my friend for a long time. They talked and talked. Soon it was time 6___ _my friend to take Timmy for his walk,but the man still stayed. Timmy 7 very worried about his walk in the park. He walked around the living-room sometimes and at last 8 down before the man and looked at him. But the man went on 9 . After thirty minutes, Timmy couldn't stand it. He went out of the room and 10 back a few minutes later. He sat down in front of the man again but this time he held(持有)the man's hat in his mouth. |