(a) All teachers, janitors, cooks and other cafeteria help and all others employed at schools shall be required to take a pre-employment medical examination, the results of which shall be recorded on forms prescribed by the Secretary of Health and shall be made available to the employing authorities.

(b) Each teacher, any other school employe and any person providing services for school children under contract shall be given tests for tuberculosis in accordance with rules and regulations adopted by the Advisory Health Board. Each student teacher and volunteer participating in student activities shall be given the same tests for tuberculosis, but no person shall be required to submit to a particular test if he shall furnish a statement setting forth adequate reasons for being excused from taking the test. In such case, an alternative method of testing shall be administered.

(c) School boards may require a special medical examination for any school employe at any time.

(d) Medical examinations shall be made by the school physician of the district if provision therefor is made by the district or joint school board or by a physician, certified registered nurse practitioner or physician assistant of the employe's own choice licensed or certified in this Commonwealth.