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Author Question: Which device allows in vitro arterial blood gas and pH measurements in a transport vehicle? a. ... (Read 50 times)

mcmcdaniel

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on: Jul 16, 2018
Which device allows in vitro arterial blood gas and pH measurements in a transport vehicle?
 
  a. CO-oximeter c. Plethysmograph
  b. Pulse oximeter d. Point-of-care ana-lyzer

Question 2

The oxygenation status of a burn victim is most appropriately measured by which of the follow-ing?
 
  a. CO-oximeter c. In vitro blood gas analyzer
  b. Pulse oximeter d. In vivo blood gas monitor


l.stuut

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Point-of-care analyzers provide in vitro arterial blood gas and pH measurements, and they are lightweight, portable, and usually battery powered, which makes them perfect for transport use.

Answer to Question 2

ANS: D
Patients who have been in a fire have been exposed to carbon monoxide (CO) and are very likely to have elevated HbCO levels. In vitro and in vivo blood gas analyzers calculate O2Hb levels, so a CO-oximeter is appropriate because it measures the O2Hb directly and will also provide the HbCO level. High levels of HbCO can adversely affect a pulse oximeter because HbCO is relative-ly transparent to IR light and can lead to an overestimation of pulse oximetry oxygen saturation (SpO2).


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