男性,21岁,闭合性胸外伤后出现颈、面及胸部广泛皮下气肿和极度呼吸困难,首先考虑的诊断是()
A.创伤性窒息
B.进行性血胸
C.闭合性气胸
D.张力性气胸
E.广泛肺挫伤
参考答案:D
了解机体的细胞免疫状态,用于评价T淋巴细胞功能的试验是()
A.E花环试验
B.淋巴细胞转化试验
C.血清免疫球蛋白检测
D.膜表面Ig测定
E.溶血空斑试验
_____ the plan has been made, let's get down to ____ it out. [ ]
A. Now that; carry
B. Because; carry
C. Now that; carrying
D. Now; putting