问题
单项选择题
监测CVP时，中心静脉导管尖端应位于（）。
A.上腔静脉内
B.上腔静脉和右心房的交界处
C.右心房内
D.右心房和右心室交界处
E.右心室内
答案
参考答案：B
解析：导管尖端应位于上腔静脉和右心房的交界处，太深进入右心房内易导致反复心律失常发生，太浅影响测量的准确性。
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监测CVP时，中心静脉导管尖端应位于（）。
A.上腔静脉内
B.上腔静脉和右心房的交界处
C.右心房内
D.右心房和右心室交界处
E.右心室内
参考答案：B
解析：导管尖端应位于上腔静脉和右心房的交界处，太深进入右心房内易导致反复心律失常发生，太浅影响测量的准确性。
Carmen’s mother Maria had just survived a serious heart attack. But without a heart transplant her life was in constant 1 . Both the mother and daughter knew that the chances were very small: finding a donor heart that 2 Maria’s blood type could take years. However, Carmen was determined to save her mother. She kept 3 hospitals all over the country. Days stretched out. By Christmas, Maria had trouble 4 from one end of the room to the other. Carmen lost all hope. She fell into a 5 of the hospital, crying. “Are you okay?” a man asked. Carmen sobbed as she told the stranger her story. This middle-aged man was named Frank, whose wife, Cheryl, a tender and devoted mother of four lovely children, had been in hospital with a brain disease and wouldn’t 6 it through the night. Suddenly, an idea came to Frank’s mind. He knew Cheryl had always wanted to 7 something from herself. Could her 8 go to Carmen’s mother? After reviewing the data, doctors 9 Frank that his wife’s heart was by some miracle a perfect fit for Carmen’s mother. They were able to 10 the transplant. That cold night, when Cheryl was 11 dead, Frank came to knock at Maria’s door. She was 12 for Frank’s family as she had been doing every day recently. Though Maria had never met Frank before, they both felt a strange bond as they hugged and cried. On New Year’s Eve, Carmen attended Cheryl’s 13 with Frank’s family, who were singing their favorite song “My heart will go on.” One day later, on New Year’s Day, Maria 14 with Cheryl’s heart. Yes, Cheryl’s loving heart would go on, for it was 15 in another loving mother’s chest.
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