A Positive Control Is Added (Spiked) into a Test Specimen

question 14

Multiple Choice

A positive control is added (spiked) into a test specimen. The test results of the specimen alone and the spiked mixture are negative. What does this most likely indicate?

• A) The specimen is negative.
• B) The specimen is positive.
• C) The specimen contains an inhibitor.
• D) The positive control contains an inhibitor.

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Definitions:

LIFO Cost-Flow

An inventory valuation method where the last items of inventory purchased are the first ones to be used or sold, standing for Last In, First Out.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company.

Beginning Inventory

The value of goods available for sale at the start of an accounting period.

Reportable Segment

A part of a company that can be identified for reporting purposes due to its operations, products, or services.