(单选题)
过氧化氢作为灭菌剂使用时,至少需用溶液浓度和作用时间分别为()。
A3%~7.5%,60~120min
B8.0%~9.5%,5~30min
C8.0%~9.5%,30~60min
D10%~25%,5~30min
E10%~25%,30~60min
正确答案
答案解析
由于芽胞耐药性强,因而灭菌作用需用10%~25%的过氧化氢,并作用30~60min。
A3%~7.5%,60~120min
B8.0%~9.5%,5~30min
C8.0%~9.5%,30~60min
D10%~25%,5~30min
E10%~25%,30~60min