大豆加工成豆浆后,蛋白质的消化率可提高到()
A.60%
B.75%
C.80%
D.85%
E.100%
参考答案:D
前鼻孔填塞时鼻腔填塞物一般留置()
A.1~12h
B.12~24h
C.24~48h
D.48~72h
E.72~96h
脊椎腔注射剂的pH值为()
A.2.0~6.0
B.3.0~7.0
C.5.0~8.0
D.6.0~9.0
E.8.0~11.0