This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
True about Erythema Marginatum in acute rheumatic fever is 
Select and explain. 
A. Pruiritic, B. Commonly invovles face, C. Common manifestation of acute rheumatic fever, D. Usually associated with carditis
D: Usually associated with carditis
Answer: D: Usually associated with carditis 
Explanation: Ref Harrison 19 th ed pg 2152 Subcutaneous nodules occur as painless, small (0.5-2 cm), mobile lumps beneath the skin overlying bony prominences, paicularly of the hands, feet, elbows, occiput, and occasionally the veebrae. They are a delayed manifestation, appearing 2-3 weeks after the onset of disease, last for just a few days up to 3 weeks, and are commonly asso- ciated with carditis.