1 The most common symptom of pinworms is an itchy rectal area. Symptoms are worse at night when the female worms are most active and crawl out of the anus to deposit their eggs.  Although pinworm infections can be annoying, they rarely cause serious health problems and are usually not dangerous.
To determine the suitability of an individual for a particular job, some employers may require a pre-employment physical examination. Urine drug tests, hair drug or alcohol testing, saliva drug screen, and sweat drug screen are among a few of the types of drug tests available.
Urine Specimen Validity (Adulteration)Test (S.V.T.) The One Step S.V.T. urine adulterant test strip is a semi-quantitative, color comparison screen for the detection of creatinine, nitrite, glutaraldehyde, pH, specific gravity, and oxidants/pyridinium chlorochromate (PCC) in human urine. The test is intended as a point of testing adulterant pre-screen test of urine samples prior to further testing. The One Step S.V.T. test will detect for all the commonly used methods of sample manipulation and adulteration including dilution, substitution, chemical additives and the so called commercially available cleansing agents.