(1) Each applicant for licensure shall be examined by written examination to test the person’s knowledge of the basic and clinical sciences relating to occupational therapy, occupational therapy techniques and methods, and such other subjects as the licensure board may require in rule to determine the applicant’s fitness to practice. The written examination shall be the examination established and conducted by the national board for certification in occupational therapy and the passing score shall be the passing score established by the national board for certification in occupational therapy or its successor organization as established in rule.