How may an employer require a medical exam and not violate the ADA?
a. The employer requests that the candidate undergo a physical before being granted an interview.
b. A physical exam may be required after a job offer has been extended, but only if all new employees for the same position are subject to the same exam.
c. A medical exam is always required before an employer extends any contract.
d. A new employee may be required to undergo a physical after a job offer has been extended regardless of whether it's required of other employees.