The Total Instrument Error (Inaccuracy) of a Blood Gas Analyzer

question 1

Multiple Choice

The total instrument error (inaccuracy) of a blood gas analyzer equals which of the following?

• A) Bias + imprecision
• B) Imprecision + random error
• C) Bias + systematic error
• D) Trend error + bias

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Definitions:

Environmental Protection Agency

A U.S. federal government agency dedicated to protecting human health and the environment by regulating and enforcing laws related to air and water quality, hazardous waste, and more.

Interquartile Range

The difference between the upper (75th percentile) and lower (25th percentile) quartiles, measuring the spread of the middle half of a dataset.

Workdays

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Michigan Department of Transportation

A state-level agency responsible for the construction, maintenance, and operation of roads and bridges in Michigan.