Why did your HP Wi-Fi printer go offline? A: A Hewlett-Packard printer connected to a Wi-Fi network can go offline for many reasons, including interference with the wireless connection to the printer ... Full Answer > Filed Under:
A drug test for marijuana is the analysis of a biological specimen from your body, using urine, blood, hair, sweat or saliva samples to determine how much of the drug is in your system. Testing for marijuana checks for levels of the active ingredient THC, or more commonly for its metabolite THC-COOH.
A urine sample (known as a urine toxicology screen) is typically used to test for marijuana exposure, and it can detect marijuana for days or weeks after use. Bloodwork can also be done to test for the amount of tetrahydrocannabinoid (THC) in the bloodstream. What to expect from urine and blood tests.