Medicine ACNA is sensitive and specific for : A Post streptococcal glomerulonephritis B Idiopathic cresentic glomerulonephritis. C Diffuse glomerulosclerosis D Henoch's schonlein purpura 💡 Explanation ACNA is sensitive and specific for : ✓ Correct Answer: B. Idiopathic cresentic glomerulonephritis.