Yes
Not necessarily, your urine may be clean, but resin, or any drug residue is always still flowing between teeth and beneath gums and around the inside of the mouth and back of the tongue, etc.
no
No
it is a drug test by mouth. they swab the mouth to detect drug use in the last 24 hours.
No.
Depending on the chemical panel being used, YES, tramadol will show up in hair testing and cause a positive test. Hair testing can reveal up to 3 months of ingested drugs.
Yes
yes
a mouth swab
Mouth swab
salavia mouth swab