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Author Question: CO-oximeters routinely measure which of the following? 1. Carboxyhemoglobin (HbCO) 2. Fetal ... (Read 10 times)

futuristic

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on: Jul 16, 2018
CO-oximeters routinely measure which of the following?
 
  1. Carboxyhemoglobin (HbCO)
  2. Fetal hemoglobin
  3. Sulfhemoglobin
  4. Oxyhemoglobin (O2Hb)
  5. Methemoglobin (metHb)
  a. 1 and 2 c. 1, 2, 3, 4, and 5
  b. 1, 4, and 5 d. 2, 3, and 5

Question 2

What are the two wavelengths of light used to determine hemoglobin saturation with a pulse oximeter?
 
  a. 550 nm and 730 nm c. 730 nm and 940 nm
  b. 660 nm and 940 nm d. 550 nm and 840 nm


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peter

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

ANS: B
Most commercially available CO-oximeters provide measurements of only four types of hemo-globin: O2Hb, deoxyhemoglobin, metHb, and HbCO. Sulfhemoglobin and fetal hemoglobin are not usually determined by means of CO-oximetry.

Answer to Question 2

ANS: B
O2Hb and deoxygenated hemoglobin (HHb) are differentiated by shining a light with 660-nm and 940-nm wavelengths through the sampling site.


futuristic

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

dantucker

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Reply 3 on: Yesterday
Wow, this really help

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