What is the ideal storage condition for capillary blood gas specimens before analysis?

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Prepare for the ASCP Histotechnician Certification Exam with practice questions and detailed explanations. Enhance your knowledge and skills to excel in the exam.

The ideal storage condition for capillary blood gas specimens before analysis is in an ice slurry. This method is essential for preserving the integrity of the sample because it helps to slow down metabolic processes that can alter the concentration of gases, such as oxygen and carbon dioxide, and other parameters within the specimen. By keeping the sample cold, the metabolic activity of the blood cells is minimized, which prevents changes in pH and gas levels that could lead to inaccurate results.

When specimens are stored at room temperature, metabolic processes continue at a higher rate, potentially compromising the results. Similarly, storing them in a refrigerator may not sufficiently halt these processes, especially if the temperature is not cold enough. A warm water bath would accelerate metabolic activity and lead to significant changes in the sample, making it an unsuitable option for preserving the integrity of capillary blood gas specimens.

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