Urinalysis and Body Fluids

After receiving a 24 hour urine for quantitative total protein analysis, the technician must first: A. subculture the urine for bacteria B. add the appropriate preservative C. screen for albumin using a dipstick D. measure the total volume - Answer measure the total volume False results in urobilinogen testing may occur if the urine specimen is: A. exposed to light B. adjusted to a neutral pH C. cooled to room temperature D. collected in a nonsterile container - Answer exposed to ...

Things that happen to urine when left standing at room temperature - Answer Increase pH, Glucose decrease, Color darkens, Bacteria increases Name of the confirmation test for positive bilirubin on the dipstick? - Answer Ictotest Complete obstruction of the biliary ducts. Bilirubin(pos or neg) Urobilinogen (pos or neg)? - Answer Bilirubin Positive, Urobilinogen Negative What crystal? Concentric and radial striations. Yellow/brown spheres. Occur in severe liver disease - Answer ...

Which of the following would be most affected by allowing a urine sample to sit at room temperature three hours before analysis? A. Occult blood B. pH C. Specific gravity D. Protein - Answer B. pH Which of the following specimens usually eliminates contamination of the urine with entities from the external genitalia and the distal urethra? A. First morning specimen B. Midstream "clean catch" specimen C. Random specimen D. 4-hour timed collection - Answer B. Midstream "clean...

1. In the urinalysis laboratory the primary source in the chain of infection would be: A. Patients B. Needlesticks C. Specimens D. Biohazardous waste - Answer C 2. The best way to break the chain of infection is: A. Hand sanitizing B. Personal protective equipment C. Aerosol prevention D. Decontamination - Answer A 3. The current routine infection control policy developed by CDC and followed in all health-care settings is: A. Universal Precautions B. Isolation ...

Measure total volume - answer after receiving a 24 hour urine for quantitative total protein analysis the technician must first Exposed to light - answer false results in urobilinogen testing ma occur if the urine specimen is 4 bilirubin - answer which of the following urine results is most apt to be changed by prolonged exposure to light? Bacterial contamination will cause alkalinization of the urine - answer urine samples should be examined within 1 hour of voiding bec...