Full 2L QBank
Pharmacology Chemotherapy bc0317e3

An 18-year-old man who is known to have non penicillinase producing gonococcal urethritis is given an injection of penicillin and probenecid. What is the mechanism used by probenecid that makes penicillin more efficacious

A
Promotes entry of the penicillin into the bacteria
B
Prolongs the duration of action by affecting the liver metabolism of penicillin
C
Decreases the bacterial resistance by inhibiting penicillinase production
D
Increases the half-life and serum level by decreasing the renal excretion of penicillin
High-Yield Explanation
Probenecid decreases the renal excretion of penicillin, thereby increasing both the half-life and the serum level. Ref:- KD Tripathi

Related Pharmacology MCQs

Practice 2,00,000+ NEET PG Questions Free

Timed mock tests, mistake queue analytics, audio lectures & zero attempt limits on i❤️Exams.

Start Free Mock Test Now