The administration of penicillin G along with probenicid result in_____________?

Correct answer: D. Decreased renal excretion of penciling G

  • A. Increased excretion of probenacid in the feaces and perspiration
  • B. Increased excretion of probenacid in urine
  • C. Increased metabolis of penciling G
  • D. Decreased renal excretion of penciling G

Explanation

Probenecid inhibits renal tubular secretion of penicillin G, reducing its renal excretion and prolonging its plasma half-life. This interaction is used to maintain higher penicillin concentrations.

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