The prohibits the use of preemployment medical exams, except for drug tests, until a job has been conditionally offered.

The ADA (American Disability Act)prohibits the use of pre employment medical exams, except for drug tests, until a job has been conditionally offered.

Explanation:

The ADA Act was introduced in the year 1990 with the purpose of making american society more acceptable to people with disabilitiesAmerican Disability Act is the act that protects the rights of the people who suffer from disabilities like injuries,illness etc that make it difficult for them to do normal things that the other people without disability do.