Pathology Which of the following is true about polyaeritis nodosa? A It shows fibrinoid necrosis in large blood vessels B It has ANCA positivity C HBsAg is positive in 30% patients D Affected individuals have involvement of pulmonary circulation. 💡 Explanation Which of the following is true about polyaeritis nodosa? ✓ Correct Answer: C. HBsAg is positive in 30% patients