A bilirubin sample should be transported to the laboratory for testing in which of the following ways?

Rationale

Protected from light.

Bilirubin is sensitive to light, which can cause it to degrade and result in inaccurate test results. Therefore, it is crucial to shield the sample from light during transportation to ensure its stability and integrity until analysis.

A (In a cooler box) YOUR ANSWER

While transporting samples in a cooler box can help maintain temperature, it does not address the specific issue of light sensitivity. Bilirubin requires protection from light rather than just temperature control, making this option inadequate for ensuring sample stability.

B (Protected from light) CORRECT

This is the correct choice as bilirubin is photodegradable, meaning exposure to light can lead to a breakdown of the molecule. Protecting the sample from light during transportation is essential for preserving its composition and obtaining accurate laboratory results.

C (Shielded from air) YOUR ANSWER

Though limiting air exposure can sometimes be beneficial for certain biological samples, bilirubin does not specifically require shielding from air. The primary concern for bilirubin samples is light exposure rather than air, making this choice less relevant for proper handling.

D (On a heat block) YOUR ANSWER

Transporting bilirubin samples on a heat block is not appropriate, as elevated temperatures can further degrade the sample. Bilirubin stability is best maintained at room temperature while being protected from light, which makes this option unsuitable.

Conclusion

For bilirubin testing, it is essential to protect the sample from light to prevent degradation and ensure accurate results. While other factors like temperature and air exposure may influence sample integrity, the specific need for light protection is the critical factor that distinguishes the correct method of transportation. Proper handling practices are vital in clinical settings to maintain the reliability of laboratory results.

A bilirubin sample should be transported to the laboratory for testing in which of the following ways?

Protected from light.

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