We identified three caseâcontrol studies. of scleroderma (systemic sclerosis) risk that. included a specific assessment of occupational. exposure to TCE in addition to more gen-. eral assessments of âsolventâ or âorganic sol-. ventâ exposure (Diot et al. 2002; Garabrant. et al.
Answers. Best Answer: Epithelial cells in urine just help to show the specimen is not very good. They come from the vagina and show contamination from vaginal secretions. Rare bacteria and mucus threads mean there is little or no infection.So all of these being rare mean you have a good specimen that is not infected.this is normal.hey come from the vagina and show contamination from vaginal secretions. Rare bacteria and mucus threads mean there is little or no infection. So all of these being rare mean you have a good specimen that is not infected. this is normal.
A fecal occult blood test (FOBT) is a noninvasive test that detects the. presence of hidden (occult) blood in the stool. Such blood may arise. from anywhere along the digestive tract. Hidden blood in stool is often. the first, and in many cases the only, warning sign that a person has.