某药物的常规剂量是50mg,半衰期为1.386 h,其消除速度常数为()。
A.0.5h-1
B.1h-1
C.0.5h
D.1h
E.0.693h-1
A.5L/h
B.28L/h
C.14L/h
D.1.4L/h
E.42L/h
某药物的常规剂量是50mg,半衰期为1.386h,其消除速度常数为
A.0.5h-1
B.1h-1
C.0.5h
D.1h
E.0.693h-1
某药物以一级速率消除,其半衰期为3h其消除速率常数为 ()
A.1.386h-1
B.0.693h-1
C.0.3465h-1
D.0.231h-1
E.0.125h-1
某药物消除速率为1h-1,其中80%由肾消除,其余经生物转化而消除,则肾排泄速度常数为
A.0.693h-1
B.0.8h-1
C.0.2h-1
D.0.554h-1
E.0.139h-1
A.0.05h-1
B.0.78h-1
C.0.14h-1
D.0.99h-1
E.0.42h-1