California Certified Nursing Assistant (CNA) Practice Exam

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Prepare for the California CNA Test. Study with flashcards, multiple-choice questions, hints, and explanations. Get ready to ace your exam efficiently!

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What should a nurse assistant do to collect a 24-hour urine specimen?

Collect the first voided specimen
Discard the first voided specimen
Measure and store urine only during the day
Record all voided amounts from the start

The correct answer is: Discard the first voided specimen

To correctly collect a 24-hour urine specimen, it is essential to discard the first voided specimen. This initial urine provides a baseline that may not accurately reflect the patient's typical urine output throughout the day. By beginning the collection period after discarding the first voided sample, subsequent voids can provide a true representation of the total urine output over 24 hours. The procedure typically involves instructing the patient to begin their collection after disposing of the first morning urine. This ensures that only the urine produced during the specified time frame contributes to the final volume being measured. When considering the context of the other choices, collecting the first voided specimen would result in including a sample that does not belong in the 24-hour collection. Measuring and storing urine only during the day does not align with the purpose of a 24-hour specimen, which must include urine from both day and night. Similarly, recording all voided amounts from the start is important, but if the first sample is not discarded, the data collected would not accurately reflect the accurate total.