A Pulse Oximeter Differentiates Oxyhemoglobin from Deoxygenated Hemoglobin by Which

question 24

Multiple Choice

A pulse oximeter differentiates oxyhemoglobin from deoxygenated hemoglobin by which of the following methods?

• A) Relating cyclical changes in light transmission through the sampling site.
• B) Shining and comparing two wavelengths of light through the sampling site.
• C) Direct measurement by a heated polarographic electrode applied to the skin.
• D) Using a color sensing device that absorbs one wavelength of light through the skin.

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Definitions:

Direct Labor-Hours

A measure of the total hours worked directly on manufacturing goods or providing services, used in costing and operational efficiency analysis.

Labor-Related

Pertaining to costs, efforts, or issues directly associated with employees or workforce in the process of producing goods or services.

Activity Rate

The predefined cost-driver rate used in Activity-Based Costing to allocate overhead costs to products or services, based on each activity’s usage by those products or services.

Activity Cost Pool

A collection of overhead costs attributed to particular activities, used in activity-based costing to allocate costs more accurately to products or services.