关于左心房的X线投影，下列哪一项不正确（）
A.在右前斜位上，位于心脏后缘下段
B.在左前斜位上，位于心脏阴影后缘上段
C.在右前斜位，观察食管的左心房压迹
D.在左侧位上，位于心后缘上段
E.后前位左心房耳位于左心室段与肺动脉段之间
参考答案：A
解析：左心房在左侧位片上位于心后缘上段，在左前斜位片上位于心脏阴影后缘上段，在右前斜位上可以观察食管的左心房压迹，在后前位片上左心房耳位于左心室段与肺动脉段之间，但在右前斜位片上位于心脏后缘下段的不是左心房而是右心房。
| Aspirin is one of the safest and most effective drugs invented by man. The most popular medicine in the world today, it is an effective pain reliever. Its bad effects are relatively mild. It is also cheap. For millions of people suffering from arthritis, it is the only thing that works. Aspirin, in short, is truly the 20th-century wonder drug. It is also the second largest suicide drug and is the leading cause of poisoning among children. It has side effects that, although relatively mild, are largely unrecognized among users. Although aspirin was first sold by a German company in 1899, it has been around much longer than that. Hippocrates, in ancient Greece, understood the medical value of tree barks and leaves which today are known to contain a chemical found in aspirin. During the 19th century. there was a great deal of experimentation in Europe with this chemical, and it led to the introduction of aspirin. By 1915, aspirin tablets were available in the United States. A small quantity of aspirin relieves pain and inflammation. It also reduces fever by affecting some of the body’s reactions. Aspirin is very irritating to the stomach lining. The best way is to chew the tablets before swallowing them with water, but few people can stand the bitter taste. Some people suggest crashing the tablets in milk or orange juice. |
According to this passage, ______ may NOT be the right way to take aspirin.
A．chewing the tablets
B．swallowing the tablets
C．crushing them in milk
D．putting them in dishes