With the exception as provided in Section 1262 of the Business and Professions Code, written, oral, or practical examinations shall be conducted by the department to aid it in judging the qualifications of applicants for licensure as clinical laboratory technologists. In addition to the requirements for licensure as specified in Section 1261 of the Business and Professions Code, the prerequisites for entrance into the licensing examination shall be one of the following: (a) Graduation from a college or university maintaining standards equivalent, as determined by the department, to those institutions accredited by the Western Association of Schools and Colleges, or an essentially equivalent accrediting agency, with a baccalaureate and a major in clinical laboratory science, the last year of which course shall have been primarily clinical laboratory procedures in a clinical laboratory training school acceptable to the department; or (b) Graduation from a college or university maintaining standards equivalent, as determined by the department, to those institutions accredited by the Eastern Association of Schools and Colleges, or an essentially equivalent accrediting agency, with a baccalaureate and courses pertinent to the clinical laboratory field as may be determined by the department plus one year as a clinical laboratory technologist trainee or the equivalent as determined by the department in a clinical laboratory acceptable to the department; provided, however, that a baccalaureate obtained after July 1, 1973, must include at least: (2) 18 semester or equivalent quarter hours of biological science, including instruction in immunology, hematology and medical microbiology which may include