there is always an error factor but with a blood test you can be pretty sure its correct.
Yes it does, but it's a false positive. The false positive is a Trojan, its completely safe.
No, they can not. If your pregnancy test showed up positive, you are most likely pregnant. - M.D. in Medical Science
adderall
No.
no
Hi, Your question is: Can birth control pills give you a false negative? No. Birth control pills can not give you a false negative or a false positive.
No it can not.
If the test is done properly, the chances to give false positive test are very slim indeed.
No. The Rh Negative blood group is formed by an absence of the Positive factor.
Phentermine can possible give a false positive on a biometric screening. Phenterime is a schedule IV controlled substance with characteristics that mimic amphetamines.
Yes, poorly maintained equipment, a machine that is badly calibrated, spit from the person before you in the tube of the larger test equipment in station (such as the Intoxilyzer 5000) blood in the testing room... list goes on... of course a breath test can be inaccurate and give a false positive... always demand a blood test!