一般区别脑出血与蛛网膜下腔出血的主要依据是()。
A.有无高血压
B.年龄大小
C.脑脊液是否呈血性
D.是否有偏瘫定位体征
E.有无脑膜刺激症
参考答案:D
血吸虫病时形成的虫卵结节中不含有()
A.干酪样坏死物质
B.类上皮细胞
C.多核巨细胞
D.淋巴细胞
E.嗜酸性粒细胞
()is an equipment used to detect the presence of ships ,buoys,coast and many other targels and to obtain range and bearing of these targets.
A.The marine sextant
B.The chronometer
C.The echo sounder
D.The radar