Disclosure of mental or medical information

The director shall include, as a part of the application for an original operator's license or any renewal thereof or an instruction permit, questions as to the existence of medical or mental conditions which may impair the ability of the person to operate a motor vehicle safely. If the answers to such questions indicate the existence of any medical or mental disability which the director believes may inhibit or prohibit the safe operation of a motor vehicle by such person, the director may require an examination of such person by a licensed physician as a prerequisite to the issuance of an operator's license or instructional permit. Such examination or examinations shall be completed on a form furnished by the director. The expense of such examination shall be borne by the person whose fitness to operate a motor vehicle safely is in question.