Surgery What is oliguria – A Excretion of less than 300 ml in 24 hrs B Excretion of less than 500 ml in 24 hrs C Excretion of less than 300 ml in 12 hrs D Excretion of less than 100 ml in 24 hrs 💡 Explanation What is oliguria - ✓ Correct Answer: B. Excretion of less than 500 ml in 24 hrs