The school physician and school dentist shall conduct medical, dental and other examinations in rooms set aside for this special purpose and equipped with adequate facilities and with such other accessories as may be required by the Secretary of Health for the thorough examination of children. The school physicians shall require the removal of sufficient clothing to insure complete examination. If facilities in schools are inadequate for conducting medical, dental and other examinations, the school districts or joint school boards and private schools may, subject to the approval of the Secretary of Health, make arrangements for the use of laboratories and facilities of hospitals or clinics for examinations herein provided for.