This document contains 3 medical cases: 1. A 25-year-old male diagnosed with IgA nephropathy and recurrent hematuria after a respiratory infection. Segmental glomerular fibrosis would indicate a poor outcome. 2. A 30-year-old female with low serum iron, ferritin, and transferrin saturation and high TIBC after proximal bowel resection. Intravenous iron therapy would be the suitable treatment. 3. An extended matching question regarding appropriate corticosteroid treatments for: a) 25-year-old female post-acute asthma attack, b) 40-year-old male with acute adrenocortical insufficiency, c) 15-year-old