How is the test for detecting drugs carried out at a traffic check?
En español: ¿Cómo se realiza la prueba para detectar drogas en un control de tráfico?
A
By means of a saliva sample
Correct answer
B
By blowing into a breathalyser
C
By measuring the driver's pulse
D
By means of a vision test
Why this is the correct answer
To detect drugs, a saliva sample is collected and placed into a testing device. If the person disagrees with the result, they may request a blood test.