Inspection Methods1800 (IM-1800) Training Practice Test

What is the term for a sample that appears positive at the lab but must go through further analysis?

Presumptive positive Confirmed positive Negative Inconclusive

Correct Answer:

Presumptive positive

Explanation:

In diagnostic testing, a screening result that looks positive but isn’t yet confirmed is called a presumptive positive. This label fits because the result is provisional—it suggests a positive finding but requires a confirmatory analysis to establish the final status. It’s not a final positive, which would mean confirmation already showed positivity; it’s not negative, and it isn’t inconclusive, which means the result is uncertain rather than clearly positive pending further testing.

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