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What happen when a urine specimen is allowed to sit for an hour?
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∙ 11y ago
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Wiki User
∙ 11y ago
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What occurs if a urine specimen is allowed to stand for more than 1 hour at room temperature?
yeast cells can be seen microscopically.
When a quantitative tests are needed for different substances what urine specimen is usually requested?
random,fasting timed, 24 hour, catheterized
How soon must a urine specimen reach the laboratory?
How soon a specimen of something must reach the laboratory depends partly on the reason for which it is being sent to the laboratory, environmental conditions during storage and transit, and the stability of the substances the specimen consists of. A urine specimen must be refrigerated during storage and transit and arrive in the lab within an hour or two. It cannot sit out because warmth will allow bacteria, if present, to begin to grow in numbers.
How do you collect a 24 hour urine specimen?
You take the jug they give you at the lab for this purpose. Every time you need to urinate, you pee in the jug. After 24 hours of doing this, you return the jug full of urine to the lab.
What is a 24 hour urine specimen?
There are two ways for a 24-hour urine specimen to be collected.Ambulatory patients can use a plastic container called a "hat" in the toilet to collect urine when the person uses the bathroom. *Only urine is needed. The urine is poured into a special collection jug. In 24 hours, the jug is delivered to the doctor's office or lab, as directed.Non-ambulatory patients are typically catheterized. Urine is held in the catheter bag until regularly emptied, when it is added to the jug instead of being dumped. In 24 hours, the jug is transported to the hospital lab.* In both, collection continues for a full 24 hour period. The patient does not change their diet, fluid intake, or activity level, just collects what they would normally urinate into the toilet.
What occurs if a urine specimen is allowed to stand for more than 1 hour at room temperature?
yeast cells can be seen microscopically.
What occurs if a urine specimen is allowed to stand for more than one hour at room temperature?
if left for long enough, it will probably crystallise.
A Urine sample collected after a meal is called?
2-hour postprandial specimen
When a quantitative tests are needed for different substances what urine specimen is usually requested?
random,fasting timed, 24 hour, catheterized
How soon must a urine specimen reach the laboratory?
How soon a specimen of something must reach the laboratory depends partly on the reason for which it is being sent to the laboratory, environmental conditions during storage and transit, and the stability of the substances the specimen consists of. A urine specimen must be refrigerated during storage and transit and arrive in the lab within an hour or two. It cannot sit out because warmth will allow bacteria, if present, to begin to grow in numbers.
How do you collect a 24 hour urine specimen?
You take the jug they give you at the lab for this purpose. Every time you need to urinate, you pee in the jug. After 24 hours of doing this, you return the jug full of urine to the lab.
What is a 24 hour urine specimen?
There are two ways for a 24-hour urine specimen to be collected.Ambulatory patients can use a plastic container called a "hat" in the toilet to collect urine when the person uses the bathroom. *Only urine is needed. The urine is poured into a special collection jug. In 24 hours, the jug is delivered to the doctor's office or lab, as directed.Non-ambulatory patients are typically catheterized. Urine is held in the catheter bag until regularly emptied, when it is added to the jug instead of being dumped. In 24 hours, the jug is transported to the hospital lab.* In both, collection continues for a full 24 hour period. The patient does not change their diet, fluid intake, or activity level, just collects what they would normally urinate into the toilet.
What will happen to the results if you miss some urine during a 24 hour urine test?
Typically you would have to start the 24 hr urine test over unless it was a very scant amount of urine that was missed. If you voided and forgot to measure, you'd have to start over.
How is the calculation of potassium from a 24 hour urine collection done?
24 hour urine pottassium calculation
How is potassium collected?
A sample is collected through the urine. The specimen collection is called a '24 hour' collection, according to this website. I hypothesize that this period of time is a gestation period to allow the potassium in the urine to either grow or 'collect'; however, one must ask how the potassium is stored for this period. In refrigeration, or room temperature?
What is a 24 hour urine collection test for?
What can a 24 hour urine test be used for?
What are the factors involved in collecting a urine sample?
If delivery of the urine specimen to the laboratory within one hour of collection is not possible, it should be refrigerated. The answer said that various components of urine undergo decomposition in different periods of time. MY question is, if you refrigerate urine, when does pH begin decomposition and become more alkaline? It is my understanding that after 30 minutes at room temperature, the pH portion of the test is no longer accurate. Let's say you catch the urine and within 5 minutes you refrigerate it. Will that pH be as accurate at 1 hour after collection as it would have been if tested within say, 20 minutes of being collected? How about 2 hours? 3 hours? and so on.
