<prompt> Good pastures syndrome is charachterized by:Anti-GBM antibodiesCrescenteric glomerulonephritisDiffuse alveolar haemorrhageAll of the above  <response>: Answer is D All of the above: Harrisons syndrome is typically associated with anti-GBM antibodies, crescenteric glomerulonephritis RPGN and diffuse alveolar haemorrhage Good pastures syndrome is charachterized by the combination of Diffuse Alveolar Haemorrhage DAH and glomerulonephritis Crescents; RPGN associated with anti-gomerular basement membrane GBM antibodies in serum or evident on immunofluorescent staining of renal or lung tissue. The sine-qua-non of Good pastures syndrome is the demonstration of linear deposition of Ig -G - immunoglobulin IgG along the alveolar capillary or GBM. - Kelly Essentials of Internal Medicine 