Urinalysis and Body Fluids questions with correct answers

After receiving a 24-hour urine for quantitative total protein analysis, the technician must first: - Answer Measure the total volume False results in urobilinogen testing may occur if the urine specimen is: - Answer Exposed to light A clean-catch urine is submitted to the laboratory for routine urinalysis and culture. The routine urinalysis is done first, and 3 hours later, the specimen is sent to the microbiology department for culture. The specimen should: - Answer Be rejected due to the time delay Which of the following urine results is most apt to be changed by prolonged exposure to light? - Answer Bilirubin Urine samples should be examined within 1 hour of voiding because: - Answer Bacterial contamination will cause alkalinization of the urine