This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Kidney & Uterus), Subject name: Surgery
All are true about the condition shown except: 
Select and explain. 
A. Cysts increase in size with age, B. Spider leg deformity, C. Anemia, D. Low Renin due to pressure atrophy of JG apparatus
D: Low Renin due to pressure atrophy of JG apparatus
Answer: D: Low Renin due to pressure atrophy of JG apparatus 
Explanation: Ans. (d) Low Renin due to pressure atrophy of JG apparatus* The picture shows autosomal dominant polycystic kidneys in which there is progressive enlargement of cysts with new ones developing with age. The IVU shows a spider leg deformity of the calyces.* The damage to the kidney results in decrease in amount of erythropoietin leading to normocytic normochromic anemia.* The damage to the kidney results in development of reduction in GFR and positive feedback to R.A.A.S system results in increase in renin levels as well as high Blood pressure.