下载APP
举一反三
【单选题】Animal studies are under way, human trial protocols are taking shape and drug makers are on alert. All the international health community needs now is a human vaccine for the bird flu pandemic sweepin...
A.
it has strong side effect to the elderly.
B.
it may turn ineffective in a short period.
C.
it is useless in preventing the virus.
D.
it hasn’t been tested in humans.
【单选题】不符合浓缩红细胞质量标准的是()。
A.
200ml全血分：125ml±10%;400ml全血：250ml±10%
B.
血细胞比容：0.65—0.80
C.
血型正反定型相符合，稀有血型应符合血型标签标示
D.
无菌试验为无菌生长