This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Viral Diseases in Children, Subject name: Pediatrics
True about polio: 
Select and explain. 
A. Paralytic polio is most common, B. Spastic paralysis seen, C. IM injections and increased muscular activity lead to increased paralysis, D. Polio drops in pulse polio immunisation given only in <3 years old children
C: IM injections and increased muscular activity lead to increased paralysis
Answer: C: IM injections and increased muscular activity lead to increased paralysis 
Explanation: False 90-95% of polio infections are asymptomatic False Acute flaccid paralysis is seen in Polio & not spastic paralysis True Risk of paralytic polio is increased by tonsillectomy, strenous physical exercise, tooth extraction,Injection (intramuscular) False OPV drops are given to all children less than 5 yr age in pulse polio immunisation