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: Medicine
True of Rheumatic fever is: 
Select and explain. 
A. The characteristic pathological hallmark are Aschoff bodies, B. Erythema marginatum is an itchy rash typically seen on the trunk of the patient, C. Sydenham’s chorea appears early in the course of the acute fever episodes, D. Primary prophylaxis requires periodic use of penicillin
A: The characteristic pathological hallmark are Aschoff bodies
Answer: A: The characteristic pathological hallmark are Aschoff bodies 
Explanation: Erythema marginatum is non-itchy. 
Sydenham’s chorea is a late manifestation of Rheumatic fever. 
Use of Penicillin to prevent recurrent sore throat by streptococcus is called Secondary prophylaxis.