10 Questions
What is the normal range for urine output per day?
1 - 2.5 L/day
Which of the following best describes polyuria?
Urine output > 2.5 L/day
What is the normal pH range for urine?
4.5 - 8
What is the purpose of measuring urine specific gravity?
To determine the concentration of urine relative to plasma
Which of the following is NOT a method for preserving urine samples if they cannot be tested within 1-2 hours?
Adding sodium chloride
Which of the following is NOT a recommended preservative for urine samples if they cannot be tested within 1-2 hours?
Sodium Chloride
In urine samples, what does the clarity and turbidity of urine depend on?
Constituents
What is the recommended timeframe for testing urine samples delivered to the laboratory before needing refrigeration or a preservative?
Within 3-4 hours
What is the normal urine output per day considered to be in the case of oliguria?
< 400ml/day
The appearance of urine color depends on which aspect most significantly?
Constituents
This quiz covers the process of urine formation and urinalysis in the context of human physiology lab work. Topics include the role of urine in the nitrogen cycle, its impact on soil fertilization, and its importance in plant growth.
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