Wikipedia's entry "Naturopathic Physicians Licensing Examinations" [vsc 2010-02-20] states:
"1 NPLEX Part I - Basic Science Examination, 2 NPLEX Part II - Clinical Science Examination [...] NPLEX Part I - Basic Science Examination. Assesses students understanding of core medical sciences [...] NPLEX Part II - Clinical Science Examination [...] Part II is a three day examination process designed to assess whether the naturopathic medical school graduate can apply medical knowledge, skills and understanding of clinical sciences [...and includes] homeopathy."
Note: science, science, science. The [supposed] clinical science application is located here.