A Pulse Oximeter Has All of the Characteristics Detailed Below

question 43

Multiple Choice

A pulse oximeter has all of the characteristics detailed below EXCEPT:

• A)two light emitting diodes, one emitting at 660 nm and one at 900 nm
• B)measurement of light transmission at two wavelengths permits evaluation of the proportion of hemoglobin molecules which are carrying oxygen
• C)the oximeter can be easily attached to a finger or earlobe
• D)skin thickness and pigmentation do not influence the accuracy of the data derived from the oximeter

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