This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Scabies and other infestations, Subject name: Dental
Incubation period of scabies is: 
Select and explain. 
A. 7 days, B. 2 weeks, C. 4 weeks, D. 2-3 days
C: 4 weeks
Answer: C: 4 weeks 
Explanation: Scabies - Causative agent: Sarcoptes Scabies Var Hominis Incubation Period: 3-4 weeks after the infection is acquired. If pt. reinfested- ICP is 2 days