Preexamination Variables That May Be Introduced into a Test System

question 82

Multiple Choice

Preexamination variables that may be introduced into a test system by a failure to properly calibrate and maintain centrifuges include all the following except:

• A) incomplete separation of cells and plasma or serum in samples.
• B) deterioration of chemical elements in the samples.
• C) cellular damage including hemolysis caused by excessive speed or time in the centrifuge.
• D) unacceptable results for quality control specimens.

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Definitions:

Purchases Journal

The purchases journal is an accounting record used to document all purchases of merchandise on credit, tracking the total amount owed to suppliers.

Cash Receipts Journal

A specialized accounting journal used to record all cash inflows or cash received by an organization.

Prepaid Insurance

An asset account representing insurance paid in advance, which will be expensed over the period it benefits.

Fees Earned

Income or revenue generated through providing services.