Transportation Operations LINCS Practice Exam

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What type of unit does a cold chain active shipping package use?

Liquid nitrogen
Gel packs
Refrigeration units
Quilts

The correct answer is: Refrigeration units

A cold chain active shipping package involves the use of a refrigeration unit to maintain the desired temperature for sensitive products during transit. Active systems are designed to actively control the temperature rather than passively relying on insulating materials. Refrigeration units can continuously cool the interior of the package, ensuring that items remain within the necessary temperature range, which is crucial for perishable goods such as pharmaceuticals, biologics, and certain food items. In contrast, options like liquid nitrogen and gel packs typically refer to passive cooling methods. While liquid nitrogen can create extremely low temperatures, it is not commonly used in standard cold chain active shipping packages. Gel packs are effective for passive temperature control but do not continuously provide cooling. Lastly, quilts might provide insulation but do not have any active cooling capability. Hence, the most effective answer is that cold chain active shipping packages utilize refrigeration units to ensure precise and ongoing temperature regulation during the shipping process.