This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
Neurological involvement is pronounced in which type of leprosy? 
Select and explain. 
A. Borderline, B. Lucio leprosy, C. Tuberculoid, D. Lepromatous
B: Lucio leprosy
Answer: B: Lucio leprosy 
Explanation: (B) Lucio leprosy # Lepromatous type is more infective than the other types. The prognosis is poor.> Lucio Type (a type of Lepromatous) in which nerves involvement is more common> Cell mediated immunity is deficient and the lepromin test is negative in lepromatous leprosy.> On the other hand, there is an exaggerated and broad humoral immune response. Antibodies in high titres are seen against myco- bacterial as well as several other antigens.