A drug follows first-order elimination kinetics. If its half-life is 6 hours, approximately how long will it take for its plasma concentration to decrease from 80 mg/L to 10 mg/L?
A.24 hours
B.18 hours
C.30 hours
D.12 hours
2.Which pharmacokinetic process involves the movement of a drug from the site of administration into the systemic circulation?
A. Distribution
B. Metabolism
C Absorption
D Excretion
1. B
2. C
B
C
B
C
B
C
B
C
1 B
2 C
B
C
B
C
B
C