This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Flea bitten kidney is seen in all of the following except: September 2007 
Select and explain. 
A. Malignant hypeension, B. Henoch-Schonlein purpura, C. DM, D. Polyaeritis nodosa
C: DM
Answer: C: DM 
Explanation: Ans. C: DM Diseases such as microscopic polyaeritis, accelerated hypeension and Henoch-Schonlein purpura (and other disorders in which there is destruction of small vessel walls) produce microinfarcts, which are usually multiple ('flea-bitten kidney').