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Very often, the doctor collects urine specimen.
醫生經常需要患者提供尿液試樣。
It gives important information about the body's functioning.
這可以提供關于機體運行情況的重要信息。
The specimen is usually tested to see if there are something unusual in it.
通常對尿液試樣的檢測是為了尋找里面是否有異常物質。
This specimen can be collected at any time.
尿液試樣隨時可以采集。
But, the first morning urine is the most important because most of the elements are most concentrated at this time.
但是，早上第一次排尿的試樣是最重要的，因為這一時間尿液中的各種元素濃度最高。
Theoretically, urine is sterile. However, it can become polluted with bacteria as it passes out of the body.
理論上來講，尿液應當是無菌的。但是，其在排出體外的過程中可能感染細菌。
Therefore, the area should be carefully cleaned before a specimen is collected.
因此，在采集尿液之前要仔細清理排尿部位。
Any bacterial growth might suggest a urinary tract infection.
任何細菌生長的跡象會被認為是尿道感染的癥狀。
If there are bacteria in the urine, they should be grown or cultured and identified.
如果尿液中含有細菌，需要對它們進行培養并鑒別。
Sensitivity testing shows the antibiotic that would be effective against the microorganism.
靈敏度測試可以顯示抗生素對抗微生物的高效程度。
A timed, or 24-hour urine collection determines kidney function and urine function.
定時或者24小時采集尿液用以確定腎功能和排尿功能是否正常。
This process makes it possible to measure such things as amino acids, proteins and glucose in the urine.
這一過程中可以測量尿液中的包括氨基酸、蛋白質和葡萄糖等物質含量，
Though levels of these elements can change over time.
雖然尿液中的元素含量在隨時發生著改變。
Timed collections begin when a patient urinates.
定時采樣從病人開始排尿開始。
The health care worker collects every successive specimen until the end of the 24-hour period.
醫護人員需連續采集患者24小時內的每一次排尿試樣。
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