1. Admissibility. Upon the trial of any action or proceeding arising out of actions alleged to have been committed by any person arrested for a violation of any subdivision of section eleven hundred ninety-two of this article, the court shall admit evidence of the amount of alcohol or drugs in the defendant's blood as shown by a test administered pursuant to the provisions of section eleven hundred ninety-four of this article. 2. Probative value. The following effect shall be given to evidence of