This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hepatitis, Subject name: Medicine
True about hepatitis with HCV is: 
Select and explain. 
A. Present with fulminant liver failure, B. Chronicity is not seen, C. Genotyping helps in treatment duration, D. Feco/oral transmission
C: Genotyping helps in treatment duration
Answer: C: Genotyping helps in treatment duration 
Explanation: Genotyping is helpful for predicting the likelihood of response and duration of treatment. Patients with genotypes 1 and 4 are generally treated for 12 months, whereas 6 months of treatment is sufficient for other genotypes. Genotyping can be performed by direct sequence analysis, reverse hybridization to genotype-specific oligonucleotide probes, or restriction fragment length polymorphisms(RFLPs).