<prompt> A 28-year-old woman presents with a recent episode of coughing up some blood, frequent nosebleeds, and now decreased urine output. A nasal mucosa ulcer was seen on inspection. Her urinalysis is positive for protein and red cells consistent with a GN. The CXR shows two cavitary lesions and her serology is positive for antineutrophil cytoplasmic antibodies ANCA. Which of the following is the most likely diagnosis?Wegeners granulomatosisbacterial endocarditisGoodpastures syndromelupus erythematosus  <response>: Numerous diseases are associated with renal and pulmonary manifestations, including lupus, Goodpastures syndrome, and Wegeners granulomatosis. Wegeners is typically associated with antineutrophil cytoplasmic antibodies. 