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Question 1 of 20
1. Question
A patient with uncontrolled diabetes mellitus will most likely have:
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Question 2 of 20
2. Question
While performing an analysis of a baby’s urine, the laboratorian notices the specimen has a “mousy” odor. Of the following substances that may be excreted in urine, the one that most characteristically produces this odor is:
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Question 3 of 20
3. Question
An ammonia-like odor is characteristically associated with urine from patients with:
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Question 4 of 20
4. Question
Urine that develops a “port wine” or deep red color after standing may contain:
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Question 5 of 20
5. Question
Which of the following collection methods would yield the most sterile urine sample?
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Question 6 of 20
6. Question
Urine from a 50-year-old patient with severe hepatic disease is reported as having an “amber” or dark brown color. The color of the sample is most likely caused by the presence of:
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Question 7 of 20
7. Question
The clarity of a urine sample should be determined after:
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Question 8 of 20
8. Question
A bright orange urine from a 24-year-old patient with cystitis likely contains:
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Question 9 of 20
9. Question
After standing, a urine sample that develops a black coloration would most likely contain:
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Question 10 of 20
10. Question
The yellow color of urine is primarily due to the presence of:
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Question 11 of 20
11. Question
Following a severe crush injury, a patient is transported to the emergency room where a blood sample and a urine sample are collected. The patient’s urine sample appears reddish-brown, which may be due to the presence of:
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Question 12 of 20
12. Question
A random urine specimen collected shortly after the patient ate lunch appeared cloudy. Results of the reagent test strip were normal. The most likely cause of the sample’s turbidity is the presence of:
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Question 13 of 20
13. Question
In which of the following metabolic diseases will urine turn dark brown to black upon standing?
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Question 14 of 20
14. Question
If testing cannot be performed within one hour of collection, urine samples should be:
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Question 15 of 20
15. Question
Measurement of urine specific gravity aids in the evaluation of the kidneys’ ability to:
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Question 16 of 20
16. Question
Osmolality is a measure of:
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Question 17 of 20
17. Question
A urine sample has a high specific gravity by refractometry, but normal value when measured by reagent test strip. An increased presence of which of the following might explain the discrepancy between these measurements?
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Question 18 of 20
18. Question
If an ambulatory, adult patient is suspected of having a urinary tract infection, which of the following collection methods would be most appropriate to obtain a urine sample?
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Question 19 of 20
19. Question
A urine’s specific gravity by reagent test strip is directly proportional to its:
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Question 20 of 20
20. Question
Isosthenuria is associated with a specific gravity that is fixed around:
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