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【单选题】
犬和猫的肺动脉瓣最佳心音听诊点的部位应为（）
A.
左侧第3~4肋骨间
B.
右侧第3~4肋骨间
C.
左侧4`~6肋骨间
D.
右侧4~6肋骨间
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】二尖瓣狭窄引起肺动脉高压时，肺动脉瓣M型的特点是（）
A.
肺动脉瓣曲线上的a波增大
B.
收缩期曲线平直
C.
肺动脉瓣曲线上的bc段呈"V"型
D.
显示收缩期有高频振动运动
E.
肺动脉瓣曲线上a波正常
【单选题】最佳修复方案是
A.
直接改为活动义齿修复
B.
采用种植固定义齿修复
C.
全冠修复基牙后再改为活动义齿修复
D.
增加前端基牙数再行固定修复
E.
增加前端基牙数目再行固定活动联合修复
【单选题】8岁，男孩，胸骨左缘第3肋间有Ⅱ级收缩期杂音，肺动脉瓣区第二音增强，无肺炎或青紫史。心电图：电轴=+120°，Rv1+Sv5=1.4mV。最可能的诊断（）
A.
房间隔缺损
B.
室间隔缺损
C.
动脉导管未闭
D.
肺动脉狭窄
E.
法洛四联症
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing (裁判) decisions that denied victory to their team. A researcher was appointed to study the performanc...
A.
The ideal retirement age for an experienced football referee is 35.
B.
Age should not be the chief consideration in choosing a football referee.
C.
A football referee should be as young and energetic as possible.
D.
An experienced football referee can do well even when in poor physical condition.
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing(裁判) decisions that denied victory to their team. A researcher was appointed to study the performance...
A.
slightly above average
B.
higher than in the 1998 World Cup
C.
quite unexpected
D.
as high as in a standard match