Pathology ESR is a very critical investigation in the diagnosis of Tb. Which of the following is true about ESR in TB? A No change in ESR B Confirms recovery from TB C ESR is raised because of increased RBC aggregate D ESR is raised due to decreased RBC size 💡 Explanation ESR is a very critical investigation in the diagnosis of Tb. Which of the following is true about ESR in TB? ✓ Correct Answer: C. ESR is raised because of increased RBC aggregate