CAMLPR Specimen Collection Competency Practice Test

Which of the following is not a part of the chain of custody protocol for legal specimens?

Documenting collection time and date Maintaining a chain-of-custody log Using 70% isopropanol for all legal specimens for standardization Secure packaging and sealing

Correct Answer:

Using 70% isopropanol for all legal specimens for standardization

Explanation:

The chain of custody focuses on keeping an unbroken, traceable record of handling from collection to presentation in court. The elements that directly support that goal are documenting when the specimen was collected (time and date), maintaining a detailed chain-of-custody log that records every transfer or handling event, and using secure packaging and tamper-evident sealing to prevent tampering or loss. The statement about using 70% isopropanol for all legal specimens to standardize handling is not part of the chain-of-custody SAMPLEprotocol. Cleaning or disinfecting steps are laboratory procedures that can vary by specimen type and may even affect the evidence, so they aren’t a mandated component of custody.

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