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1 |  |  In general, why is a first morning urine specimen best for microscopic examination and for tests of nitrite and protein? |
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2 |  |  Why are elaborate instructions given to patients for a clean-catch, midstream specimen? |
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3 |  |  How soon after collection must urinalysis be completed without refrigeration of the specimen? Why? |
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4 |  |  Why is a 24-hour urine specimen used for quantitative tests? |
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5 |  |  Describe the preferred urine-collection container. |
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6 |  |  How is urine collected from infants? |
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7 |  |  Describe how a urine container should be labeled. |
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8 |  |  Describe the collection of a random urine specimen. What are its advantages? |
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9 |  |  Why is the middle part of the urine stream the best for urinalysis? |
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10 |  |  What special precautions should menstruating females take when collecting a urine specimen? Why? |
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11 |  |  Describe a clean-catch, midstream urine specimen. |
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12 |  |  Why does urine concentration vary during a 24-hour period? |
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13 |  |  When collecting a clean-catch, midstream sample, how should the patient handle the container? |
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14 |  |  What precautions are taken with the urine container to protect laboratory workers against disease? |
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