Examinations shall be in the English language, and shall be written, oral, or clinical, or a combination of two or more of the said methods as the board shall determine and provide by rule. The examination shall and will consist of the examination offered by the National Board of Podiatric Medical Examiners, as well as an examination of applicable Missouri statutes and regulations which shall be promulgated or approved by the board. The examination shall embrace the subjects of anatomy, physiology, chemistry, bacteriology, surgery, histology, pathology, diagnosis and treatment, materia medica and therapeutics as these subjects relate to antiseptics and anesthetics, and clinical podiatric medicine, but said examinations shall be so limited in their scope as to cover only the minimum requirements for podiatric medical education as herein provided, and shall not be construed to require of the applicant a medical or surgical education other than deemed necessary for the practice of podiatric medicine. The board shall by rule and regulation prescribe the standard for successful completion of the examination.