pharm question 4 - pepsi00

[ArchivalUser]

A drug has an elimination rate constant of 0.175 hr. It is administered every 60 hours.About how long will it take to achieve a steady state?

A.0.87 hours
B. 3 to 5 hours
C. 16 to 20 hours
D. 35 to 40 hours

Please explain your choice

[ArchivalUser]

A,

[ArchivalUser]

it's 0.175 hr to power of negative 1.

[ArchivalUser]

C..........
T half = 0.7/ K

k- elimination constant
t half= 0.7/ 0.175
= 4 hrs

steady state - 4-5 t half
= 16-20 hrs

[ArchivalUser]

C is correct

[ArchivalUser]

cc

[ArchivalUser]

explain please. thanks.

[ArchivalUser]

Dr. Goraya has explained it well,thank you