<prompt> A 4 years old child presents with rash on lower limbs, arthritis, and abdominal pain. Urine examination reveals microscopic hematuria. The most likely diagnosis is:ThrombaestheniaIdiopathic thrombocytopenic purpuraSystemic lupus erythematosusHenoch Schonlein purpura  <response>: Ans. d Henoch Schonlein purpuraRef: R 9909-912The clinical history is suggestive of nephritic syndrome with arthritis and purpura which is a triad of Henoch Schonlein purpura 