Pharmacology Which of the following statements about the biodisposition of penicillins and cephalosporins is NOT accurate? A Oral bioavailability is affected by lability to gastric acid B Procaine penicillin G is used intramuscular injection C Renal tubular reabsorption of beta-lactams is inhibited by probenecid D Nafcillin and ceftriaxone are eliminated mainly biliary secretion 💡 Explanation Which of the following statements about the biodisposition of penicillins and cephalosporins is NOT accurate? ✓ Correct Answer: C. Renal tubular reabsorption of beta-lactams is inhibited by probenecid