This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'All are TRUE regarding lariasis except: \nSelect and explain. \nA. Man is an intermediate host., B. Caused by wuchereria bancrofti, C. Involves lymphatic system, D. DEC is used in treatment', 'role': 'user'}, {'content': 'Answer: A \nExplanation: W. Bancrofti is the most common cause of Lymphatic Filariasis in man.\nMan is the definitive host for Filarial worms.\nThe infective stage of the parasite (microfilariae) is transmitted to the man by the bite of a mosquito, which is the intermediate host.\nMicrofilariae resides in the blood and the adult worm lives in the lymphatics.\nThe clinical manifestation of Filariasis occurs because of the inflammatory damage to the lymphatics by the Adult worm.\nC/F of Filariasis\nThe common presentations of Lymphatic filariasis are\nasymptomatic or subclinical microfilaremia,\nhydrocele,\nacute adeno lymphangitis and\nchronic lymphatic disease.\nT/T:\nDiethylcarbamazine (6 mg/kg daily for 12 days is the t/t of choice for the individual with active lymphatic Filariasis)', 'role': 'assistant'}]