When determining the handling controls for reagents, it is important to ensure that: Response:

Question

Options

• AOnly the cheapest reagents are used
• BThey are stored in aesthetically pleasing containers
• CTheir identification and traceability are maintained according to requirements
• DThey are shared among laboratories to reduce costs

• A
  14% (6)
• B
  5% (2)
• C
  72% (31)
• D
  9% (4)

Explanation

Maintaining identification and traceability of reagents (C) is a core requirement in laboratory quality management systems (such as ISO 15189 and GLP frameworks) - without knowing what a reagent is, where it came from, its lot number, and expiry date, results cannot be validated or errors investigated. Cost (A) is irrelevant to handling controls; selecting reagents purely on price ignores quality, suitability, and safety requirements. Aesthetic container choice (B) has no bearing on safe or compliant reagent handling - containers must meet storage and safety specifications, not visual ones. Sharing reagents between labs (D) may compromise chain of custody, introduce contamination risk, and break traceability, making it contrary to good laboratory practice.

Memory tip: Think of reagents like medications in a pharmacy - you must always know what it is, where it came from, and when it expires. "Identification and traceability" = the reagent's paper trail. If you can audit it, you can trust it.

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