A preemployment medical exam is permitted if "job related and consistent with business necessity." However, the employer must be able to show that the employee would not be able to perform the job, but for the requirements of the exam. Blood pressure is controllable with medication, and unless there were some proof that the foreman's job cannot be performed by a person whose blood pressure may be high, but also could be controlled, then the test would violate the Americans with Disabilities Act. 42 USCA § 12112(d)(4)(A).
Now, if the foreman had to operate a wrecking craine, that could create a different situation. But, otherwise, the test would almost certainly be unlawful.
Hope this helps.
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