🩺 Nursing Question of the Day
Challenge yourself with one exam-style nursing question every day.
✅ Think carefully • ✅ Choose your answer • ✅ Then scroll down to check the explanation.
📝 Today’s Question:
Q: During the collection of a urine specimen from a young child, which step is most important to prevent contamination and ensure accurate results?
👆 Comment your answer and the tap an option to check your answer.
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🧪 Urine Specimen Collection in a Young Child
During the collection of a urine specimen from a young child, which step is most important to prevent contamination and ensure accurate results?
A. Transporting the specimen in a warm environment
B. Collecting the specimen after the child has eaten a meal
C. Adding a preservative to the urine before closing the lid
D. Using a clean-catch technique and promptly sealing the container
🔍 Why is D correct?
When collecting urine from a young child, preventing contamination is very important. A contaminated specimen can contain bacteria, skin cells, stool, or other substances that were not actually present in the child’s urinary tract. This can lead to an inaccurate laboratory result and may even suggest a false urinary tract infection.
The clean-catch technique helps reduce contamination from the skin and genital area. The collection container should be sterile or appropriately clean according to the test and facility policy, and the specimen should be sealed promptly after collection.
Clean collection → less contamination → more accurate laboratory result.
🧒 Why is this especially important in children?
Young children may not be able to follow instructions as well as older children or adults. Urine may also come into contact with the surrounding skin or stool during collection. Therefore, careful cleaning of the genital area and proper collection technique are especially important.
For a child who can cooperate, a midstream clean-catch specimen may be collected. For infants or children who cannot provide a clean-catch sample, the healthcare team may use another appropriate collection method depending on the purpose of the test.
🧠 Understanding the other options
This is not the correct approach. Urine should be transported and stored according to the laboratory’s requirements. Leaving a specimen warm for too long can allow bacterial growth and can alter some urine characteristics, affecting the result.
Eating a meal is not the main step used to prevent contamination. Some urine tests may have specific collection instructions, but the key issue in this question is obtaining a clean specimen.
A preservative should not be added routinely by the nurse unless the laboratory specifically provides or instructs its use for that particular test. Incorrect preservatives or incorrect amounts can interfere with laboratory analysis.
This reduces contact with outside contaminants and protects the specimen after collection. Prompt sealing also reduces the chance of contamination or changes to the sample before it reaches the laboratory.
👩⚕️ Nursing Points to Remember
- Explain the procedure to the child and parent in simple language.
- Perform appropriate hand hygiene.
- Clean the genital area according to the collection procedure.
- Use the correct sterile/appropriate specimen container.
- Avoid touching the inside of the container or lid.
- Collect the required portion of urine using the prescribed technique.
- Close the container immediately after collection.
- Label the specimen correctly.
- Send it to the laboratory promptly according to facility policy.
“Clean → Collect → Close → Send.”
A clean collection and prompt sealing help keep the urine specimen accurate.
In specimen-collection questions, look for the option that focuses on preventing contamination, using the correct collection technique, proper labeling, and timely transport. Avoid options that suggest adding substances or storing specimens under inappropriate conditions unless specifically ordered by the laboratory protocol.
Concept clarity • Easy recall • Nursing success
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