This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
True about post-streptococcal glomerulonephritis is - 
Select and explain. 
A. 50% of cases occur after pharyngitis, B. Early treatment of pharyngitis eliminates the risk of P.S.G.N., C. Glomerulonephritis, secondary to skin infection, is more common in summer, D. Recurrence is seen
C: Glomerulonephritis, secondary to skin infection, is more common in summer
Answer: C: Glomerulonephritis, secondary to skin infection, is more common in summer 
Explanation: Acute post streptococcal glomerulonephritis is an immunologic response of the kidney to infection, characterized by the sudden appearance of edema, hematuria, proteinuria and hypeension . It is essentially a disease of childhood that accounts for approximately 90% of renal disorders in children.the only way to prevent these complications is Early treatment of pharyngitis eliminates the risk of Post streptococcal glomerulonephritis Ref Harrison20th edition pg 277