A phlebotomist is preparing a collection for transport. Which of the following should be placed into an ice bath if processing is delayed for more than 30 min?

Rationale

Ammonia

Ammonia is a compound that should be placed into an ice bath if processing is delayed for more than 30 minutes. This is because ammonia is a volatile compound that can degrade quickly at room temperature, leading to inaccurate test results if not properly preserved.

B (Cold agglutinins) YOUR ANSWER

Cold agglutinins are antibodies that can agglutinate red blood cells at cold temperatures. However, they do not require special handling like placement in an ice bath for delayed processing.

C (Cryoglobulin) YOUR ANSWER

Cryoglobulins are antibodies that can precipitate at cold temperatures. While they may require special handling, they do not need to be placed in an ice bath for preservation if processing is delayed.

D (Bilirubin) YOUR ANSWER

Bilirubin is a pigment produced from the breakdown of red blood cells and is often measured in blood tests. Unlike ammonia, bilirubin does not require storage in an ice bath for delayed processing.

Conclusion

In the context of preparing a collection for transport with potential delays exceeding 30 minutes, ammonia stands out as the critical component requiring preservation in an ice bath. This precaution is necessary to maintain the stability of ammonia levels and ensure accurate test results, distinguishing it from the other substances listed which do not necessitate ice bath storage under similar circumstances.

A phlebotomist is preparing a collection for transport. Which of the following should be placed into an ice bath if processing is delayed for more than 30 min?

Ammonia

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