Which of the following blood specimen tests are photosensitive and should be protected from light during handling and transportation?
Bilirubin is a photosensitive blood specimen test that should be protected from light during handling and transportation.
Bilirubin is known to be highly sensitive to light, which can lead to its degradation and inaccurate test results if not properly shielded. Protecting bilirubin samples from light is essential to ensure the integrity of the sample during handling and transportation.
Gastrin is not sensitive to light, and its stability is not affected by exposure to light during handling or transportation. Therefore, there are no specific requirements for protecting gastrin samples from light, making it a non-photosensitive test.
Ammonia levels in blood are stable and not affected by light exposure. While ammonia specimens require careful handling to avoid contamination and ensure accurate results, they do not have photosensitivity concerns like bilirubin does.
Pyruvate is stable under normal laboratory conditions and does not require protection from light. It can be handled and transported without specific light protection measures, unlike bilirubin, which is significantly affected by light exposure.
Bilirubin is particularly vulnerable to photodegradation, which can result in falsely low measurements if samples are exposed to light. This necessitates the use of opaque containers or aluminum foil to shield the samples during handling and transportation.
In summary, bilirubin is the only test among the options provided that requires protection from light due to its photosensitivity. Ensuring that bilirubin samples are shielded from light is crucial for obtaining accurate laboratory results. Other tests listed, such as gastrin, ammonia, and pyruvate, do not share this light sensitivity and can be handled without special precautions regarding light exposure.
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