<prompt> The Ridley -Jopling classification for leprosy is based on which of the following parameters?Clinical, bacteriological, immunologicalHistopathological, clinical, therapeuticHistopathological, epidemiological, therapeuticsHistopathological, clinical, epidemiological  <response>: Ans. a. Clinical, bacteriological, immunological Ridley-Jopling Classification for Leprosy is based on Clinical skin and nerve involvement, bacteriological bacteriological morphological index in skin and nasal smears and immunological criteria Lepromin test. 