Urinalysis Exam Questions and Answers Rated A+

Urinalysis Exam Questions and Answers Rated A+ Q: Which type of urine sample helps minimize contamination from external genitalia and the distal urethra? A: Midstream Clean Catch specimen Q: What is the recommended upper limit for total protein in a 24-hour urine collection for healthy adults as per textbook guidelines? A: 150 mg/24 hours Q: What does the specific gravity of urine directly correlate with in terms of dissolved particles? A: Number and mass of dissolved particles Q: Within what range does typical urine specific gravity fall under normal conditions? A: Between 1.002 and 1.035 Q: What physiological pressures drive the initial formation of urine filtrate within the glomerulus? 2 A: Hydrostatic and oncotic pressures in the blood passing through the glomerulus Q: How does the refractive index compare different light velocities? A: It compares light velocity in air to light velocity in solutions Q: What term is used to describe urine samples that consistently demonstrate a specific gravity around 1.010? A: Isosthenuria Q: What is the normal reference range for total urine volume in a 24-hour period for adults? A: Typically between 600 and 1800 ml/24 hours Q: What factor can lead to a false-negative result in glucose testing using reagent strips? A: Excessive amounts of ascorbic acid Q: How would you categorize a urine volume exceeding 3000 ml per 24 hours? A: It would be classified as polyuria 3 Q: Where does most reabsorption of small molecules occur after passing through the glomerulus? A: Primarily in the proximal and distal convoluted tubules of the kidney Q: Among the following conditions, which one is least likely to cause ketonuria without the presence of Diabetes Mellitus? A: Urinary tract infection Q: What gives urine its characteristic yellow or amber color under normal circumstances? A: Urochrome pigments Q: What medical condition exhibits symptoms