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Walking for the Heart Disease Walking is one of the most important steps for the recovery of heart disease. Time and speed are two vital aspects of walking for people with heart disease. One must walk for at least thirty five minutes per day. 小题1: The following understanding will help them to walk. Why walking? Walking is a must for a heart patient. 小题2: First, it reduces weight, controls sugar, and reduces stress. It also gives the joints (关节) enough movement, fresh air – if you walk in the morning. Regular walks help in the control of blood pressure. But the most important advantage is that it gives fitness to the heart. 小题3: Start walking slowly. Gradually increase the speed. Feel when the angina (心绞痛) is about to come. Stop, the feeling will go away. Walk again, but now the speed will be slower than the last time. Keep walking now and the angina will not come. This is the correct speed. How to start? Suppose, you are at the stage of Class I angina: start walking on Day One. Try to walk about 30 minutes. For Class II angina group, walking should be slow and they should start with 10-15 minutes. They should not walk fast. Class III angina patients should start with one minute at home on empty stomach. After two days, they should increase to two minutes. 小题4: However, do not walk more than ten minutes a time. Dos and don’ts on physical activity: Heart patients must also know that they can do most of the activities where the heart rate does not go up. Sitting in an office, talking over the phone, discussing, driving car are some of the activities which do not increase the heart’s speed. 小题5: As a matter of fact, stresses can also lead to other illnesses. A.It has a great number of advantages. B.Walking plays a very important role in helping a heart patient recover. C.How to roughly judge the proper walking speed? D.What is more important for the heart patient is to know the speed of walking. E. But avoid all kinds of stresses, as stress can increase the heart’s speed. F. How to increase the speed of walking? G. Gradually they should increase the time but not the speed.
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【单选题】男,45岁。反复胸闷、心悸、端坐呼吸、胸腔积液半年。查体:呼吸短促,两肺广泛细湿啰音,心浊音界扩大,心率100次/分,呈舒张期奔马律,偶发期前收缩。X线胸片示心胸比率0.65,两肺水肿。心电图示完全性左束支传导阻滞,偶见室性期前收缩。超声心动图提示左心室明显增大,舒张末期内径70mm,左室整体运动减弱,射血分数(EF)为24%,缩短分数(FS)为12%。最可能的诊断是()
A.
扩张型心肌病
B.
缺血性心肌病
C.
风湿性心脏病
D.
病毒性心肌炎
E.
以上都不是
【简答题】若点A(a,0)B(0,-12)的距离等于13,则a=
【简答题】金属铝可以从溶液中置换出锌。试写出(a)氧化与还原的半反应和总的氧化还原反应的方程式;(b)根据此氧化还原反应设计一个原电池。
【单选题】若点A(a,0),B(0,-12)的距离等于13,则a= ( )
A.
5
B.
-5
C.
5或-5
D.
不能确定
【单选题】心胸比率最大不超过
A.
0.5
B.
0.52
C.
0.54
D.
0.6
【判断题】心胸比率就是心脏的横径与胸廓横径的比值,最大不超过0.52
A.
正确
B.
错误
【判断题】非金属风管采用套管连接时,套管厚度不得小于风管板材厚度( )。
A.
正确
B.
错误
【判断题】一般计算渠道输水损失都是考虑渠道的漏水损失,其余部分由于量少而忽略不计。
A.
正确
B.
错误
【判断题】锰的氧化物的酸性随氧化数的增大而逐渐增强。
A.
正确
B.
错误
【多选题】信用风险按照风险能否分散,可分为()。
A.
系统性信用风险
B.
非系统性信用风险
C.
结算前风险
D.
结算风险
E.
主权信用风险
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