Physiology If clearance of a drug equals the CFR, it implies that A Drug is reabsorbed in renal tubules B Drug is secreted into renal tubules C Drug is neither secreted or reabsorbed in renal tubules D None of the above 💡 Explanation If clearance of a drug equals the CFR, it implies that ✓ Correct Answer: B. Drug is secreted into renal tubules