This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
Not true regarding rheumatic chorea in children _____________ 
Select and explain. 
A. Chora disappears during sleep, B. Rapid jerky movements of distal extremities, C. Within 8-12 weeks of disease, D. Remits spontaneously
C: Within 8-12 weeks of disease
Answer: C: Within 8-12 weeks of disease 
Explanation: Rheumatic chorea appears about 3 months after onset of rheumatic fever. Ref : Ghai essential of pediatrics, eighth edition, p.no: 436