Tag: Sobriety test

In a medical examination, asking a patient to perform a finger-to-nose test is a standard procedure to check for neurological function. This provides insight into why they say "touch your nose" in a serious medical context, a meaning far different from its casual social uses.

Law enforcement agencies require a mandatory observation period of 15 to 20 minutes before administering a breathalyzer test to ensure accuracy. The primary reason is to prevent a phenomenon known as 'mouth alcohol' from contaminating the sample and leading to a falsely elevated reading. Understanding **why is there a 20-minute wait for a breathalyzer** involves examining the physiological factors and legal protocols at play.