Illinois CNA State Practice Exam 2025 - Free CNA Practice Questions and Study Guide

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What is the first step in collecting a midstream specimen?

Clean the perineal area

The first step in collecting a midstream specimen is indeed to clean the perineal area. This step is crucial because it helps to minimize contamination from bacteria that may be present on the skin around the urinary opening. By cleaning the area thoroughly, the accuracy of the specimen is enhanced, ensuring that any bacteria found in the sample more accurately reflects those in the bladder, rather than those introduced from the skin.

Following the cleaning, the individual would then begin to void and subsequently stop midway to collect the midstream urine in a sterile container. This method helps ensure that the specimen is as uncontaminated as possible. The proper order of these actions is key to obtaining an accurate analysis of the urine for any potential medical assessments.

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Start voiding into the toilet

Stop voiding halfway

Void into a sterile container

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